Police and LAS were called to Cudham Drive, Croydon at approximately 9.51pm following reports that a group of people were armed with weapons and damaging a vehicle.
Further calls were received reporting that a man had been stabbed and shots fired.
Specialist firearms officers attended and on arrival found a man with a minor cut to his hand.
He is currently being treated by LAS.
At this early stage, no arrests have been made.
Enquiries are ongoing.
