London: Departures at Heathrow airport have been put on a halt after the sighting of a drone. Meanwhile, police are working to ensure no threat to “operational safety”.

“We are responding to a drone sighting at Heathrow and are working closely with the metropolitan police to prevent any threat to operational safety. As a precautionary measure, we have stopped departures while we investigate,” Heathrow Airport said.

More details are awaited.