. >> good morning, everyone, i'm linsey davis in for vinita nair. >> i'm jeremy hubbard. >>> the u.s. and british embassies in yemen locked up tight this morning after threat of attack. >> both countries promise to help security forces in yemen as fears grow over the terror threat. sonia gallego is joining us from london with the latest. >> reporter: good morning, linsey and jeremy. the recent setup in security is intensifying as both the u.s. and british embassies in yemen remain closed for yet another day. they stay closed on sunday following warnings of an al qaeda attack. all local staff was sent home and the head of u.s. central command in the region, general david petraeus, visited the country over the weekend with a promise to look at ways to enhance security with the yemeni government. the u.s. government has been rapidly increasing those efforts in aiding yemen military to hit up al qaeda targets in the country. these efforts have escalated since the failed christmas day bomb plot. the main suspect abdulmutallab claimed to have intended to carry out the attack, as well as mil

. >> and i'm linsey davis in nor vinita nair. right now, president obama is on his way back to washington for a full agenda to begin his post-holiday week. >> topping it is terrorism, and we have several reports this morning, sonia gallego in london, but viviana hurtado with new security rules. >> designed to focus on those who pose the largest threat. >> reporter: at another sign at the nation's airports, travelers were delayed sunday evening for at least two hours at the airport after a man walked the wrong way in a security exit. >> the public just has no confidence anymore in the ability of government to provide a safe environment which avelers can fly. >> reporter: there will be extra screening for passengers with passports from or who have traveled from nations that the u.s. sees suspect such as yemen. the a additional screening also for those who fly from what the government decide are like tehran. >> i suspect they will broaden the definitions. >> reporter: but critics say these heightened security measures still won't de

. >> i'm linsey davis sitting in for vinita nair. >>> starting today citizens from 14 nations flyingo the u.s. face tough new security at the airport, including full-body pat-downs. passengers that passed through a country that may be less than friendly to the u.s. here's lisa stark. >> reporter: immediately after the christmas day bomb attempt the government ordered pat-downs and extra luggage checks for all travelers on international flights to the u.s. the new measures try to narrow that down to those who may pose the biggest threat. passengers with passports from or who have traveled through countries that sponsor terrorism or other suspect nations will be subject to extra screening. many other passengers traveling from abroad can also expect extra scrutiny on a random basis. but will those measures close the gaps that allowed abdulmutallab to bring a bomb on a plane? >> the biggest hole is that people get on board airplanes who should not get on an airplane without going through secondary screening, which is what happened here. >> reporter: the goal, of course, is to keep a pote