A British Airways flight appears to have aborted its journey to Chicago, with flight tracking data suggesting it is being diverted back to London Heathrow.
The aircraft began a U-turn while flying above Ireland, according to tracking data, and descended to an altitude of 9,000 feet.
Mid-air alert issued
The flight issued a mid-air alert as it descended over Ireland, the data indicates.
No further details have been released about the reason for the diversion.
Return to Heathrow
The aircraft is now returning to its departure point at London Heathrow, having seemingly abandoned its transatlantic crossing.
This is a developing story and more information will follow as it becomes available.
