the alarming headline breaking late today. police outside syracuse, new york, say they have stopped a mass shooting threat at another upstate tops supermarket. a suspect in custody at this hour. tonight, how they knew of this threat, and why they took it seriously. tonight, the federal investigations now launched after those two u.s. banks collapsed. the justice department and the s.e.c. did high-ranking bank employees know this was coming? did they take advantage of that information? and the video tonight. one of the bank s ceos and what he asked employees to do as this was unfolding. pierre thomas tonight. the race for the white house. and florida governor ron desantis declaring that supporting ukraine is not in the vital interest of the u.s. instead, calling the russian invasion a, quote, territorial dispute. rachel scott tonight. this evening, the epa proposing new regulations to remove what are called forever chemicals from the drinking water in this country. ton
reporter: at a snowy syracuse airport, a delta flight went off the taxiway. no one was hurt. we felt us glide to the left a little a bit, and then it felt like we were on rumble strips similar to the highway. reporter: and on the coast, winds gusting up to 60 miles an hour. at high tide in situate, massachusetts, officials bracing for flooding. is this the worst storm of the season for you? definitely the worst storm of this is kind of the perfect storm with the wind and the rain, the snow and the tides. reporter: air travel disrupted across the country. more than 4,000 flights delayed, and 1,000 flights canceled so far. and david, these massive wind gusts are slamming the waves up and over the sea wall here in scituate. there s already flooding on the other side. and this storm is going to continue through tonight into tomorrow morning. david? all right, trevor ault in scituate, massachusetts, trevor, thank you. let s get to ginger zee, tracking it all, and we begin with t