FACE. HOW SHE RESPONDED ON THE COURT. >>> THIS IS "NBC NIGHTLY NEWS" WITH JOSE DIAZ-BALART. >>> GOOD EVENING, THE UNITED STATES TONIGHT IS CONDEMNING THE TERROR ATTACK IN MOSCOW. THE DEATH TOLL THERE SITS AT 133 AND IS LIKELY TO GROW EVEN HIGHER. IT HAPPENED AT A POPULAR CONCERT HALL THERE. GUNMEN STORMING THE COMPLEX KILLING CIVILIANS BEFORE SETTING THE PLACE ON FIRE. AUTHORITIES HAVE DETAINED NEARLY A DOZEN PEOPLE INCLUDING FOUR PEOPLE THEY SAY CARRIED OUT THE ACT OF TERRORISM THEMSELVES. AN OFFSHOOT OF ISIS IS TAKING CREDIT. THE SAME GROUP THAT HAS TARGETED AMERICANS BEFORE KILLING 13 U.S. TROOPS DURING THE CHAOTIC EVACUATION FROM AFGHANISTAN THREE YEARS AGO. BUT WHEN VLADIMIR PUTIN ADDRESSED THE NATION TODAY HE PLACED THE BLAME ELSEWHERE. MATT BRADLEY HAS MORE, AND A WARNING, THE VIDEO YOU ARE ABOUT TO SEE IS DISTURBING. >> Reporter: TONIGHT MOSCOW STILL SMOLDERS AS THE DEATH TOLL FROM FRIDAY NIGHT’S TERROR ATTACK CONTINUES TO CLIMB. AT LEAST 133 PEOPLE WERE KILLED AND HUNDREDS MORE INJURED AFTER AS MANY AS FOUR GUNMEN ATTACKED A PACKED HOUSE AT THIS CONCERT HALL. SHOOTING AUTOMATIC WEAPONS, THROWING BOMBS, AND DOUSING THE BUILDING IN FLAMMABLE CHEMICALS. [ GUNFIRE ] THIS VIDEO SHOWING GUNMEN OPENING FIRE ON VICTIMS EVEN AS THEY HUDDLED ON THE GROUND. "I HONESTLY THOUGHT IT WAS A FIRECRACKER," SAID THIS WITNESS, "BUT THESE CRACKLE THE -- CRACKLES, THEY WERE -- THEY WEREN’T STOPPING. THEY WERE SCREAMING, PANIC." AT LEAST SOME OF THE GUNMEN WERE ABLE TO FLEE. BUT RUSSIAN AUTHORITIES SAY EVERYONE HAS SINCE BEEN CAUGHT. 11 PEOPLE ARRESTED SO FAR, POLICE SAID, INCLUDING FOUR WHO PARTICIPATED DIRECTLY IN THE ATTACK. THE ISLAMIC STATE CLAIMED RESPONSIBILITY LAST NIGHT, AND AMERICAN INTELLIGENCE SAYS THEY HAVE NO REASON NOT TO TAKE THE TERROR GROUP AT THEIR WORD. RUSSIAN STATE TV AIRED VIDEOS LAST NIGHT THEY SAID SHOWED INTERROGATIONS OF TWO SUSPECTS. ONE IS ASKED WHY HE DID IT -- "I DID IT FOR MONEY," HE REPLIES. THE I.S.I.S. CLAIM DIDN’T STOP RUSSIAN POLITICIAN WAS TRYING TO BLAME A MORE FAMILIAR ENEMY -- UKRAINE. RUSSIAN PRESIDENT VLADIMIR PUTIN SAID TODAY THE PERPETRATORS WERE CAUGHT AS THEY FLED TOWARD UKRAINE WHERE THEY HAD EXPECTED TO BE WELCOMED. UKRAINE HAS DENIED ANY INVOLVEMENT. TOMORROW WILL OFFICIALLY BE A DAY OF NATIONAL MOURNING IN RUSSIA. NOW RUSSIANS ARE QUEUEING AT CLINICS TRYING TO DONATE BLOOD TO STOP THEIR NATION FROM BLEEDING. >> AND MATT, WE ARE GETTING A NEW ON-THE-RECORD STATEMENT FROM THE WHITE HOUSE. >> Reporter: THAT’S RIGHT, JOSE. A NATIONAL SECURITY SPOKESPERSON SAID THEY SHARED INFORMATION WITH RUSSIA ABOUT A PLANNED TERROR ATTACK IN MOSCOW. THEY ALSO SAY THAT I.S.I.S. IS SOLELY RESPONSIBLE, AND UKRAINE HAD NO INVOLVEMENT. JOSE? >> MATT BRADLEY, THANK YOU. >>> BACK HERE IN THE U.S., THE FIRST WEEKEND OF SPRING IS OFF TO A DANGEROUS START FOR TENS OF MILLIONS TONIGHT. RAIN AND EVEN SNOW BARRELING UP THE ENTIRE EAST COAST BRINGING POTENTIAL BLIZZARD CONDITIONS IN SOME PARTS. GEORGE SOLIS HAS THE LATEST. >> Reporter: TONIGHT DANGEROUS AND DISASTROUS FLOODING TAKING AIM UP AND DOWN THE EAST COAST. RELENTLESS DOWNPOURS FROM MIAMI TO THE NORTHEAST TRANSFORMING STREETS AND PUTTING LIVES AT RISK. >> EVERY TIME IT RAINS, WE GOT -- OUR HEART IS IN OUR THROAT. >> Reporter: IN FLOOD-PRONE MERRIMACK, NEW YORK, FATIGUE AND FEAR. >> IT’S NOT WHAT MIGHT HAPPEN IT’S A WORRY OF WHAT WE KNOW IT IS GOING TO HAPPEN. >> EVERY TIME IT RAINS -- >> Reporter: FLOODING TODAY MAKING CLEAR WHY TOOLS LIKE PUMPS, HOSES, AND GLOVES ARE A WAY OF LIFE. >> EVERY TIME IT FLOODS, THERE -- THIS IS NOT RIGHT. WHY DO WE GOT TO LIVE LIKE THIS? >> Reporter: THIS TROOPER CAR REAR ENDED BY A TRACTOR-TRAILER ON ICY ROADS. IN SOUTH FLORIDA OFFICIALS SAY STRONG WINDS KNOCKED THIS KITE BOARDER OFF-COURSE CAUSING HIM TO SLAM INTO THE ST. PETE PIER. HEAVY RAINS LEADING TO ROAD CLOSURES AND A MULTIHOUR GROUNDSTOP AT MIAMI INTERNATIONAL. ACROSS THE COUNTRY, ROUGHLY 6,000 FLIGHTS DELAYED, MORE THAN 300 CANCELED. >> WE NEED ALL PATRONS TO LEAVE THIS AREA -- >> Reporter: ON FRIDAY IN MIAMI THE RAIN, WIND, AND LIGHTNING FORCED A TEMPORARY SHUTDOWN OF THE ULTA MUSIC FESTIVAL. DANIEL ACOSTA SAID HE ROLLED HIS ANKLE DURING THE CHAOS OF PEOPLE TRYING TO GET TO DRY GROUND. HOW SCARED WERE YOU? >> I’LL TELL YOU, IT WAS PRETTY SCARY. I DON’T THINK I’VE EVER BEEN IN THE MIDDLE OF A RAINSTORM THIS BAD IN MIAMI. >> Reporter: THE DANGEROUS DELUGE ON THE EAST COAST NOT THE ONLY DILEMMA. A ONE-TWO PUNCH OF SPRING SHOWERS FLEXING SERIOUS MUSCLE OVER THE GREAT LAKES AND INTO NORTHERN NEW ENGLAND WHERE MAINE COULD SEE ITS LARGEST SNOWFALL OF THE SEASON AS THIS LATEST ROUND OF NATURE’S FURY APPEARS FAR FROM FINISHED. >> AND GEORGE JOINS ME NOW FROM JUST NORTH OF NEW YORK CITY. WE CAN SEE THE FLOODED AREA THERE. IS THE WORST OF IT NOW BEHIND US? >> Reporter: RESIDENTS IN THIS NEIGHBORHOOD CERTAINLY HOPE SO. THEY SAY EVEN A LITTLE BIT OF RAIN HERE CAUSES ALL OF THIS FLOODING. TONIGHT THEY ARE AMONG THE 37 MILLION UNDER THE FLOOD ALERTS. THE GOOD NEWS IS THAT THIS STORM, AS YOU CAN SEE, DOES APPEAR TO BE LETTING UP. JOSE? >> GEORGE SOLIS, THANK YOU. >>> SOME GOOD NEWS FROM WASHINGTON AFTER CONGRESS AVERTED A GOVERNMENT SHUTDOWN. THE SENATE VOTED OVERNIGHT TO PASS A SWEEPING $1.2 TRILLION FUNDING BILL AFTER HEATED LAST-MINUTE NEGOTIATIONS. SENATORS TECHNICALLY DID BREACH THE MIDNIGHT DEADLINE, BUT THE LAPSE WAS VERY SHORT, HAD NO REAL IMPACT. PRESIDENT BIDEN WILL SIGN THE BILL TODAY. >>> WE ARE LEARNING NEW DETAILS TONIGHT ABOUT A TRAGEDY IN TEXAS AFTER AT LEAST ONE STUDENT AND ONE ADULT WERE KILLED IN A SCHOOL BUS CRASH WHILE THE BUS WAS CARRYING PRESCHOOL STUDENTS. PRISCILLA THOMPSON SPOKE TO ONE CHILD WHO SURVIVED. >>> TOUGH, IT’S VERY TOUGH. >> Reporter: THIS IS THE MOMENT HECTOR CAMPOS HELD HIS 5-YEAR-OLD AGAIN AFTER HER FIRST FIELD TRIP ENDED IN A DEADLY CRASH. CRASH. MOM ANGELICA WAS ON THE TRIP -- >> JUST THE FACT THAT I WAS THERE, I SPENT THE DAY WITH ALL THESE KIDS. JUST HEARTBREAKING. >> Reporter: HOW ARE YOU FEELING TODAY? >> GOOD. >> Reporter: WHAT DO YOU REMEMBER? >> WE LIKE ROLLED ON THE BUS. >> SHE CLOSED HER EYES WHEN IT HAPPENED SO SHE WOULDN’T GET GLASS IN HER EYES OR ANYWHERE. >> Reporter: CALIANA AND HER 40 PRESCHOOL CLASSMATES WERE ON A BUS HOME FROM THE ZOO FRIDAY AFTERNOON WHEN THEY WERE HIT BY A CONCRETE TRUCK. A YOUNG BOY ON BOARD WAS KILLED, POLICE SAY, ALONG WITH A DRIVER BEHIND THE BUS. THE CRASH OCCURRED ON HIGHWAY 21 JUST OUTSIDE OF AUSTIN. TONIGHT AT LEAST THREE STAFF AND TWO STUDENTS REMAIN HOSPITALIZED. ALEJANDRO RAN OUTSIDE TO HELP. >> WHAT I SAW WAS ALL THE KIDS COVERED IN BLOOD, CRYING, TRYING TO GET OUT. WE BROUGHT ALL THE TOWELS THAT WE HAD TO CLEAR AND DRESS THE KIDS, CLEAN THEM UP. >> Reporter: THE DRIVER OF THE CONCRETE TRUCK DIDN’T APPEAR IMPAIRED, AND THE INVESTIGATION IS IN PRELIMINARY STAGES LEAVING MANY UNANSWERED QUESTIONS FOR PARENTS LIKE HECTOR. >> SOMEONE NEED TO BE HELD ACCOUNTABLE. WE NEED ANSWERS FOR THE KIDS THAT PASSED AWAY, AND THEIR FAMILIES NEED ANSWERS, AND THE KIDS THAT ARE THERE FIGHTING FOR THEIR LIVES. WE NEED ANSWERS, AS WELL. >> Reporter: FAMILIES HERE NOW WORKING TO HEAL AS A COMMUNITY GRIEVES. JOSE? >> PRISCILLA THOMPSON IN TEXAS, THANK YOU. >>> THERE ARE NEW CONCERNS TONIGHT ABOUT THE HIGHEST PAID STAR IN BASEBALL, THE MLB HAS LAUNCHED AN INVESTIGATION INTO A BETTING SCANDAL INVOLVING SHOHEI OHTANI’S INTERPRETER, AND THERE ARE QUESTIONS TONIGHT ABOUT WHETHER IT WILL IMPACT OHTANI HIMSELF. DAVID NORIEGA HAS THE DETAILS. >> Reporter: TONIGHT THE STAKES ARE RISING IN THE SCANDAL SURROUNDING STAR L.A. DODGERS PITCHER SHOHEI OHTANI. WITH MAJOR LEAGUE BASEBALL LAUNCHING AN INVESTIGATION AFTER ILLEGAL GAMBLING INCLUDING HIS INTERPRETER AND CLOSE FRIEND IPPEI MIZUHARA. THEY LEARNED THE ALLEGATIONS FROM THE NEWS MEDIA, ADDING, "OUR DEPARTMENT OF INVESTIGATIONS BEGAN THEIR FORMAL PROCESS INVESTIGATING THE MATTER." THE BIG UNANSWERED QUESTION -- WHAT WAS OHTANI’S INVOLVEMENT. >> IT’S BECOMING A BIGGER STORY BECAUSE THIS VOID HAS NOT BEEN FILLED WITH ANSWERS YET. YOU’RE TALKING ABOUT A GUY WHO SIGNED A $700 MILLION CONTRACT. >> Reporter: THE SCANDAL BROKE WHEN THE "LOS ANGELES TIMES" REPORTED THAT OHTANI’S NAME CAME IN CONNECTION TO A SPORTS BETTING RING. A SOURCE TELLING NBC NEWS THAT MIZUHARA SAID OHTANI BAILED HIM OUT OF $4.5 MILLION IN GAMBLING DEBTS. OHTANI’S LAWYER SAYING THE PITCHER WAS A VICTIM OF A MASSIVE THREAT. >> THIS IS MURKY TERRITORY, WHAT DID OHTANI DO, WHAT DID OHTANI KNOW. >> Reporter: MATTHEW BOYER IS THE ALLEGED BOOKIE UNDER INVESTIGATION, AND HIS LAWYER SAID HE HAD NO CONTACT WITH THE STAR PITCHER. BOYER HAS NOT BEEN CHARGED WITH A CRIME. >> MR. BOYER NEVER MET SHOHEI OHTANI, NEVER SPOKE WITH SHOHEI OHTANI. ONLY PERSON HE DEALT WITH WAS IPPEI MIZUHARA. >> Reporter: A SCANDAL THAT ACCORDING TO LEGENDARY SPORTS AGENT LEE STEINBERG COULD ENGULF BASEBALL ITSELF. >> WE’RE NOT TALKING ABOUT A MARGINAL PLAYER. WE’RE TALKING ABOUT THE BEST PLAYER IN ALL OF BASEBALL. WE HAVEN’T SEEN A TWO-WAY PHENOMENON LIKE THIS SINCE BABE RUTH. >> Reporter: ALL EYES WILL BE ON OHTANI AGAIN HERE AT DODGER HUGE CHANCE TO WALTZ TOWARD HISTORY. MARISA PARRA, NBC NEWS. >>> AND STILL AHEAD TONIGHT, PRINCESS KATE’S CANCER DIAGNOSIS. SHE IS NOW THE FACE OF A TROUBLING TREND -- MORE YOUNGER >>> WE ARE BACK WITH PRINCESS >>> WE ARE BACK WITH PRINCESS KATE’S CANCER DIAGNOSIS. HER REVELATION ALL THE MORE SHOCKING BECAUSE OF HER AGE -- JUST 42 YEARS OLD. SHE’S PART OF A TROUBLING RISE IN CANCER RATES IN YOUNGER PEOPLE. MEAGAN FITZGERALD HAS MORE. >> Reporter: TONIGHT REALITY SETTING IN AFTER THE WORLD WAS SHOCKED BY THE LATEST REVELATION FROM THE BRITISH ROYAL FAMILY. >> IN JANUARY, I UNDERWENT MAJOR ABDOMINAL SURGERY IN LONDON, AND AT THE TIME IT WAS THOUGHT THAT MY CONDITION WAS NONCANCEROUS. THE SURGERY WAS SUCCESSFUL. HOWEVER, TESTS AFTER THE OPERATION FOUND CANCER HAD BEEN PRESENT. >> Reporter: IN AN EMOTIONAL VIDEO MESSAGE, THE 42-YEAR-OLD PRINCESS OF WALES SAYING SHE’S NOW UNDERGOING PREVENTIVE CHEMOTHERAPY TREATMENTS. >> IT HAS TAKEN US TIME TO EXPLAIN EVERYTHING TO GEORGE, CHARLOTTE, AND LOUIS. >> Reporter: A DEVASTATING MESSAGE THAT HITS CLOSE TO HOME FOR PEOPLE LIKE MAY KEENE WHO WAS 26 WHEN SHE WAS DIAGNOSED WITH STAGE-FOUR GASTRIC CANCER. WHAT WERE YOUR THOUGHTS WHEN YOU SAW THE PRINCESS OF WALES’ VIDEO MESSAGE? >> I IMMEDIATELY THOUGHT CANCER DOES NOT DISCRIMINATE. WHETHER YOU’RE RICH, POOR, YOUNG, OLD. >> Reporter: THE PRINCESS OF WALES AND MAY BOTH PART OF A GROWING AND DISTURBING TREND THAT SHOWS CANCER ON T RISE FOR YOUNG PEOPLE ACROSS THE WORLD. THE TERM IS CALLED EARLY ONSET CANCER AND DEFINED AS PEOPLE DIAGNOSED UNDER 50. A 2023 BMJ ONCOLOGY ANALYSIS FOUND THAT 29 DIFFERENT CANCERS HAD RISEN NEARLY 80% GLOBALLY BETWEEN 1990 AND 2019. WHY ARE WE SEEING A RISE IN CANCER IN YOUNG PEOPLE? >> THERE ARE A NUMBER OF FACTORS. FIRST AND FOREMOST IS ACCESS TO SCREENING AND TREATMENTS, ENVIRONMENTAL RISK FACTORS. AND THEN JUST YOUR OWN FAMILY HISTORY. >> Reporter: AS FOR MAY, SHE CONSIDERS HERSELF AMONG THE LUCKY ONES. THE CANCER IS GONE FOR NOW, BUT SHE STILL HAS FIVE MORE YEARS OF TESTS AND SCANS AHEAD. IT’S A VERY DIFFICULT AND EMOTIONAL JOURNEY THAT MORE AND MORE YOUNG PEOPLE ARE FORCED TO TAKE. >> FOR EVERYONE FACING THIS DISEASE, WHATEVER FORM, PLEASE >>> THERE’S GOOD NEWS TONIGHT. >>> THERE’S GOOD NEWS TONIGHT. YOU KNOW SO OFTEN THE GOOD NEWS DOESN’T GET AS MUCH ATTENTION AS THE BAD, SO EVERY SATURDAY WE HIGHLIGHT THE MANY PEOPLE WHO SPREAD JOY AND LOVE. THESE ARE JUST SOME OF THOSE STORIES THIS WEEK. ♪ THIS IS WHAT HONOR LOOKS LIKE. A SEA OF AMERICAN FLAGS AS HUNDREDS OF PROBATIONARY FIREFIGHTERS IN NEW YORK CITY UNITE FOR THEIR SPIRIT RUN BEFORE GRADUATING FROM THE ACADEMY. >> HOW ABOUT A BIG ROUND OF APPLAUSE FOR OUR FDNY PROBATIONARY FIREFIGHTERS. [ APPLAUSE ] >> NOW THE NEWEST MEMBERS OF NEW YORK’S BRAVEST. AND TALK ABOUT LENDING A HELPING HAND -- 15-YEAR-OLD LILBARDO RAN 26 MILES AT THIS WEEK’S L.A. MARATHON BEFORE COLLAPSING. LAPD SERGEANT JAY BAHAMENO RUSHED IN, BUT THE TEENAGER INSISTED ON FINISHING. >> YOU GOT IT. >> SO THE SERGEANT LIFTED HIM UP, HELPING HIM WALK. AND THEN HE CARRIED HIM ACROSS THE FINISH LINE. >> YOU GOT IT, DUDE! [ CHEERS ] >> AS A FATHER, I WOULD WANT MY KIDS TO HAVE THAT MENTALITY THAT YOU NEVER GIVE UP. YOU KNOW, THAT’S PART OF THE QUALITIES OF A HERO IS NEVER GIVING UP. AND HE NEVER GAVE UP. >> YOU GOT IT, DUDE. [ CHEERS ] ♪ >> AND WHEN WE TALK ABOUT HEROES, IT’S MOMENTS LIKE THIS THAT LIVE FOREVER IN OUR HEARTS. >> NO. NO, NO, PLEASE DON’T -- >> THAT’S SOPHIE SHAVING HER OWN HEAD TO SUPPORT MOM TRACY WHO’S BATTLING STAGE-FOUR OVARIAN CANCER. SOPHIE MAKING SURE HER MOM KNOWS SHE WILL NEVER FIGHT ALONE. >> OUR MIND GOES TO KICKING CANCER IN THE BUTT. SHE’S THERE TO SUPPORT ME, WHICH IS JUST AMAZING. >> AND HERE’S A MILESTONE -- JENNIFER DUGGAN WILL NEVER FORGET -- >> PLEASE STAND SO WE CAN HONOR YOU. PLEASE STAND. >> THERE SHE IS GETTING HER MASTER’S DEGREE AT TENNESSEE TECH WHEN ALL OF A SUDDEN THEY PLAYED THIS MESSAGE FROM HER SON WILLIAM, SERVING IN THE MILITARY FAR FROM HOME. >> HEY, MOM. I KNOW I’M NOT THERE FOR GRADUATION, SO I FIGURED I’D MAKE YOU A VIDEO AND TELL YOU I’M PROUD OF YOU. CONGRATULATIONS. I LOVE YOU. KEEP PUSHING. I’LL SEE YOU SOON. [ APPLAUSE ] >> SO TAKE ME BACK TO THAT DAY THAT YOU SAW HIM ON THAT SCREEN. >> OH, MY GOODNESS. IT WAS SO EMOTIONAL. MY HEART JUST EXPLODED. I WAS SO PROUD OF WHAT HE’S DOING. THIS IS HIS SECOND DEPLOYMENT WITHIN TWO YEARS. >> JENNIFER ALSO SERVES, A PROUD MEMBER OF THE TENNESSEE ARMY NATIONAL GUARD. HOW DOES IT MAKE YOU FEEL AS A PARENT TO KNOW AND SEE THAT YOUR SON GETS IT? >> WHEN HE DECIDED TO JOIN THE MILITARY, I SAID, WILL, ARE YOU SURE YOU WANT TO DO THIS? AND HE SAID, MAMA, YOU DID IT. I JUST WANT TO BE LIKE YOU. >> THAT’S "NBC NIGHTLY NEWS" FOR THIS SATURDAY. I’M JOSE DIAZ-BALART. THANK YOU FOR THE PRIVILEGE OF YOUR TIME, GOOD NIGHT. GOOD NIGHT. GOOD NIGHT.