Heathrow airport disrupted as climate activists protest on northern runway

Twenty-two flights cancelled and 13 people arrested after demonstrators from Plane Stupid cut through fence and entered runway at 3.30am

Thirteen climate change activists have been arrested after they chained themselves together on the northern runway at Heathrow, causing delays and cancellations for passengers.

The demonstrators from direct action group Plane Stupid cut through a perimeter fence and entered the northern runway at 3.30am on Monday. Activists wore armlocks and lay on the runway, where police brought heavy machinery to cut them free.