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”. Also Read - Airports Check-in System Crash Leaving People Stranded Worldwide - Here's How Twitter Reacted

“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. Also Read - Chaos at Heathrow; BA tries to restore service after IT crash

More details are awaited. Also Read - Chaos at Heathrow; BA tries to restore service after IT crash