A shocking video has emerged of a woman yelling at the crime scene of the shooting in Harlesden on Wednesday (March 10) evening.

In the short clip, which was sent to getwestlondon from a nearby resident, a woman is heard screaming at police officers and onlookers.

Shouting loudly "That's my son!", the unidentified woman appears to be pleading for access to her injured son.

READ MORE: LIVE updates from fatal shooting scene in Harlesden as police investigate

A man was gunned down and killed on Church Road in Harlesden just before 10pm and was pronounced dead at the scene.

In what some are speculating to be a gang-related incident, the suspect is said to have fled the scene and no arrests have yet been made.

The victim, believed to be in his late 20's is yet to be formally identified and next of kin have not been informed.