Moment lorry with a full load and no brakes crashes into 12 vehicles in chain collision

This is the moment a dumper lorry with a full load and no brakes shoots down a hill at high speed and crashes into 12 vehicles in a chain collision.A security camera recorded the lorry travelling downhill before it loses control and ploughs into multiple cars and a public bus in the neighbourhood of Robledo in Medellin, Colombia.The footage shows the heavy vehicle continuing its descent as it crashes into vehicles one by one, leaving extensive material damage along the road.Officials say the lorry was carrying 17 tonnes of material at the time of the crash, which involved 12 other vehicles.