UPDATE: Jumbo jet lands safely at Heathrow after declaring emergency
A British Airways jumbo jet flying from the US to the UK has landed safely this morning after declaring an emergency.
The drama unfolded at around 10am when a emergency was declared while the Boeing 747 was over Northern Ireland.
The flight has now landed safely at London's Heathrow Airport.
It is believed the emergency was due to a medical issue with a passenger on board the flight and the pilot requested a priority landing slot.