jake ward, nbc news, san francisco. keeping a watch on unfolding disaster in brazil, heavy rain triggering mud slides leaving at least 78 people dead. families are joining search crews digging through debris. hundreds left homeless by this. a new warning about unruly passengers on planes. the faa says dozens of additional cases will be considered for prosecution. with that, here is tom costello. reporter: tonight, after a record number of disruptive and dangerous incidents on board commercial airliners, the faa sending 43 more cases to the fbi for criminal review, bringing that total to 80 since the start of 2021, including all out fist fights, flight attendants assaulted, restraining violent travelers. all strong males to the front
our report from nbc news correspondent tom costello. reporter: tonight after a record number of disruptive and dangerous incidents on board commercial airliners, the faa sending 43 more cases to the fbi for criminal review. bringing that total to 80 cents at the start of 2021. including an all-out fistfight. flight attendants assaulted, even restraining violent travelers. all males to the front of the aircraft. after nearly 6000 reports of unruly behavior last year, so far this year, nearly 400 reports roughly two thirds related to the on board mask mandate. late today that texas attorney general sue the biden administration to overturn the mask mandate in airports and on planes. but for the past year, the faa has come down hard on bad behavior, rolling out a national public information campaign. these events need to stop,
including an all-out fistfight. flight attendants assaulted, even restraining violent travelers. all males to the front of the aircraft. after nearly 6000 reports of unruly behavior last year, so far this year, nearly 400 reports roughly two thirds related to the on board mask mandate. late today that texas attorney general sue the biden administration to overturn the mask mandate in airports and on planes. but for the past year, the faa has come down hard on bad behavior, rolling out a national public information campaign. these events need to stop, and we are working very hard to do that. delta airlines at the nation s biggest flight attendants union have called for a single no fly list that would ban people from traveling on any u.s. airline if convicted of a on board disruption. i have to be really clear, this is not something that we can accept as a new normal.