Police are looking to trace a man wanted in connection with two identical assaults on the same woman.
Officers are seeking Gianluca Certo, 39, following an incident in which a man grabbed the victim by her breast and buttocks, and slapped her across the face.
The incident occurred on two occasions – April 16 and April 23 in Cricklewood Broadway.
Certo is white, 5ft 7ins tall, of medium build with short black hair and brown eyes.
He is an Italian national and is known to have links to the London area.
Anyone with information is advised not to approach him and to call 999 if they see him.