A protest by anti-noise campaigners who invaded one of the runways at Heathrow Airport was still disrupting flights this morning.
Thirteen members of the Plane Stupid action group cut a hole in the perimeter fence under cover of darkness at 3.45am.
Emergency workers talks to activists Credit: PAThe demonstrators chained themselves together and lay down close to one end of the northern runway.
Credit: PAScotland Yard said nine people were arrested and taken into custody while efforts to remove the others continued.
Protesters linked together on the runway Credit: Plane StupidThe protest is likely to raise fresh concerns about security and the terrorist threat at one of the world's busiest airports.
Jets were able to take-off despite the occupation by using a shorter section of the runway.
