sheltering inside with ukrainian fighters, refusing to surrender. james longman just miles from the new russian front. the cancer mystery here at home tonight. health officials investigating brain tube morps in more than 100 former students and staff. can they be linked to a high school? tonight, the u.s. navy investigating three separate deaths in less than a week. all sailors assigned to the uss george washington. the storm, more than a foot of snow in parts of the northeast. 100,000 customers without omg w boston. rob marciano is here. overseas tonight, the unfolding disaster, the deadly flooding in south africa. more than 440 people killed. rescuers searching for more victims. the live power lines, the families without homes. maggie rulli and our team in south africa. the urgent need tonight. in new york city, the new turn tonight in the chilling murder of a mother of two. detectives now looking for a man whose number was found in her cell phone. and tonight
Kristen: thank you so much for joining us. i will see you bac tonight, several developing stories as we come on the air. the confusion over travel mask mandates. how this played out on planes across the country today. the scenes on board. also, the war in ukraine tonight. russia declaring this new offensive. what the pentagon is saying tonight, and the ukrainians refusing to surrender inside a massive steel plant. the pandemic. tonight, for the first time in two years, passengers across the without wearing masks.o fly - what played out on those flights. the joy from some. the concern from others. and what president biden said today about americans who are flying and whether they should still wear the masks. gio benitez on that tonight. also tonight, russia declaring that new offensive in ukraine is now under way. russian forces dropping bombs on a steel plant in mariupol. about 1,000 civilians reportedly