Footage of a group of people fighting at a petrol station in Wembley has been sent to Harrow Online.
The footage, which is too graphic to post, shows a fight breaking out at the BP Garage, Blackbird Hill, Wembley.
The people involved in the fight fled the scene before police arrived.
Met Police told Harrow Online: “Police were called at 01:16hrs on Sunday, 26 September to reports of a group of people involved in a fight at a petrol station in Blackbird Hill, NW9.
“Officers attended and spoke with staff who reported that the group had left before police arrived. No injuries were reported and no suspects were identified.
“We are aware of footage showing the incident and will review this as part of our ongoing enquiries.”