British Airways canceled all flights from London's Heathrow and Getwick airports scheduled before 6 pm, after a global computer system outage caused massive delays and left planes stuck on runways. Earlier on Saturday, there were reports of BA staff telling disgruntled passengers trying to get away for the Bank Holiday weekend that the company was under cyber attack but this was denied by the airline. The airline said terminals at Heathrow and Gatwick had become extremely congested because of the IT failure and all BA flights scheduled before 1700 GMT had been canceled. he airline also advised passengers against ... (full story)