NEW : People are being confined to seats on planes , more patdowns before boarding . ` ` We ask that passengers follow the instructions of international airlines and flight crews , '' TSA says . An official with the TSA told us that this likely will take longer . No changes in security measures , and no change in the number of carry - on bags allowed .
NEW : Passengers report being confined to seats on aircraft , more patdowns before boarding . `` We ask that passengers follow the instructions of international security and flight crews , '' TSA says . An official with the TSA told CNN that screening likely will take longer . No changes in screening requirements , and no change in the number of carry-on bags allowed .