US authorities tightened security measures for all US-bound airline passengers, including enhanced mandatory screening of travellers from countries deemed to sponsor terrorism. Ten days after a failed Al-Qaeda bid to blow up a Northwest airliner from Amsterdam to Detroit, US transport officials said the new measures were part of a drive to put in place ?long-term, sustainable security measures.?

All travellers from Nigeria, Yemen, Pakistan, Cuba, Iran, Sudan and Syria flying into the United States will be patted down and have carry-on luggage searched under new security procedures starting January 4, Politico reported on Sunday.