Here's What London's Airspace Looks Like After All Planes Were Grounded

There are no flights leaving from London airports right now due a major computer failure, Eurocontrol tweeted at around 3:17 p.m. GMT. 

Flights over London are still landing, but no flights are taking off. Flights that can't land at Heathrow will be diverted to a different airport.

Here's a map showing planes in the London airspace at around 3:50 p.m. GMT, from AirLive.net:

AirLive.net