Night-time attack on controversial Canadian gas pipeline site

Police release video of attack on workers' equipment at camp of Coastal GasLink, a 400-mile pipeline opposed by First Nation groups

Police in Canada have released footage of axe wielding attackers as they investigate a calculated and organised" night-time raid on a remote work camp.

Up to 20 people are believed to have attacked Coastal GasLink's pipeline construction camp last week on Marten Forest Service Road in British Columbia.