Detectives are appealing for information and witnesses following a firearm discharge in north Westminster.
Police were called at approximately 23:30hrs on Monday, 7 October to reports of gunshots heard on Third Avenue, W10.
Officers, including firearms officers, attended and found ballistic damage to a residential building.
Trident detectives from Specialist Crime are investigating.
They would like to speak with anyone who was in the area at the time, and specifically anyone who saw a dark coloured Mercedes driving around the area in the minutes leading up to the incident, or being driven away at speed.
There have been no arrests and enquiries to establish a motive continue.
Anyone with information is asked to call detectives on 020 8785 8135 or via 101 quoting reference Cad 8826/7Oct.
They can also call Crimestoppers anonymously on 0800 555 111.