The US has introduced tougher screening rules for passengers arriving by air from 14 nations which the authorities deem to be a security risk. Travellers from Nigeria, Pakistan, Syria, Iran, Sudan, Yemen and Cuba will be among those facing body pat-down searches and carry-on baggage checks. It follows an alleged attempt to blow up a plane on Christmas Day.
US President Barack Obama has been under pressure to make visible security improvements. He promised to act quickly to fix flaws in the security system, in the wake of the alleged bomb plot.
WHERE NEW MEASURES APPLY
Flights from Cuba, Iran, Sudan and Syria (countries classified by US as state sponsors of terror)
Also, flights from Afghanistan, Algeria, Iraq, Lebanon, Libya, Nigeria, Pakistan, Saudi Arabia, Somalia and Yemen. More on BBC
