British Airways said it will carry out a "full investigation" after one of its planes was forced to return to Heathrow Airport following a "technical fault".
The airline is urging all its passengers to check their flight status:
BA aircraft returned back to Heathrow due to a technical fault. We'll be carrying out a full investigation into the incident. (24MAY)
If you are travelling today from or into London Heathrow, please check your flight status on http://t.co/8YS9XJXYRM