The TSA statement on Monday said the delay would enable security planners to weigh new feedback and continue workforce training.

CNN: U.S. to keep restriction on small knives on planes for now

Mr Wulff said he had called Bild's chief editor simply to ask for a day's delay before publication to enable him to return from an official trip to the Gulf.

BBC: Germany's President Wulff rejects resignation calls

Other advances would enable a user to watch an entire live football game without delay.

CNN: Internet World '96 forecasts a brave, new cyberworld