13/09/2016 8:29 PM AEST | Updated 13/09/2016 10:57 PM AEST

Terrifying Footage Shows Knifeman Slashing Victim Across Face In West London

Knifeman stalks victim while concealing blade behind his back.

This is the terrifying moment a young man lashes his victim across the face with a hunting knife. 

Police on Tuesday released CCTV footage as they hunt for the attacker who left his 21-year-old victim with a “deep cut” to his face after the altercation in Shadwell Drive, Northolt. 

Detectives said the victim was standing on the road on May 1 when he was approached by a group of men on bicycles around 6.24pm. 

Met Police
The man caught on CCTV slashing a 21-year-old man across the face with a knife

CCTV footage shows the attacker appear from behind a vehicle, stalking the victim while concealing the blade behind his back.

The victim, who is standing on the other side of a hedge, is out of sight, when the knifeman lifts the weapon and slashes him across the face as three other young men watch on. 

As he walks away, the knifeman again raises the weapon in the victim’s direction and appears to issue another threat. 

Met Police
The young man raises the knife appearing to threaten the victim as his flees the scene

He then leaves the scene, along with the other young men, on their bicycles. 

Police said the victim was taken to an east London hospital and received stitches to the injury on his left cheek.

The knifeman, caught on CCTV from a nearby address, is described as a black man wearing blue jeans, a blue jumper and a black jacket

Police are keen to hear from anyone who recognises the man or witnessed the attack.