Half of European flights face delay after computer failure

Half of flights travelling across Europe face delays due to computer failures, the continent's air safety group said.The continent-wide system which determines when and where planes can safely fly, land and take-off failed at about lunchtime on Tuesday, the European Organisation for the Safety of Air Navigation (Eurocontrol) said.Half of flights across Europe face being delayed by the failure of the Enhanced Tactical Flow Management System (ETFMS).