Seven people who were arrested after a gun was fired at the window of a house in Waddon have been bailed.
Officers went to the property in Allen Road at about 4.30pm on Sunday and found no one had been injured.
As part of the investigation into the incident police went to a home about two miles away from the scene, in Grenaby Road, Croydon, yesterday where they arrested a man and a woman aged in their 20s.
They also arrested two boys and three girls aged from 15 to 17 years old.
All seven have been bailed to return to a south London police station in late April pending further enquiries.
Forensic officers were at the property in Grenaby Road for several hours removing items in evidence bags.
Officers from Trident are investigating and enquiries continue.
Anyone with information relating to the incident is asked to call the police on 101 or call Crimestoppers on 0800 555111.
Did you see what happened? Call the newsroom on 020 8722 6353.