Man pulls out knife during UK road rage incident

Terrifying footage has emerged from London of a man pulling a knife on another driver in a road rage incident.

The video, shot from a dashcam in Edgware on August 29, shows the two men in a tense standoff in the middle of the road.

The older of the two men holds a large knife.

Suddenly the man wielding the knife smashes the other driver's wing mirror off the vehicle.

As the filmer drives away one of the men can be heard shouting: "put the knife down and fight me!"