Police officers at Heathrow Airport are responding to a spontaneous protest blocking a road and tunnel.
At around 0825hrs on Tuesday, 21 February police were called to reports of a tunnel near Heathrow Airport has been blocked to traffic by protestors.
Officers attended the inbound tunnel and found three cars blocking the tunnel, with three protestors locked to one of them.
The drivers of two of the vehicles have been arrested for obstructing a highway.
Heathrow officers are working with Heathrow Airport staff to remove the people locked to the third car.
A contra-flow is in place in the outbound tunnel to facilitate the movement of traffic around the blocked tunnel (which is now empty), but motorists are advised possible delays to their journey as this incident is dealt with.