Police were called at approximately 4.55pm on Thursday 28 October to reports of a firearms discharge in Marion Crescent, Orpington, BR5.
Officers attended and carried out a search of the area. No suspects or victims were identified. A number of bullet casings were found at the scene.
Officers are investigating and a crime scene remains in place. At this early stage, no arrests have been made.
Anyone with information about what happened is asking to call 101 quoting CAD5442/28Oct. To remain anonymous contact Crimestoppers on 0800 555 111.