In the early hours of Sunday, 30 March, police were called to Parsons Green Lane, SW6, after receiving reports of a firearm being seen at the scene. The incident occurred at approximately 2.51am.
According to the victims, a man left a restaurant without paying before allegedly threatening them with a firearm while inside a nearby address.
Armed Response Officers swiftly attended the scene and detained a man on suspicion of possession of a firearm with intent to cause fear of violence. Following further enquiries, the suspect was also arrested for making off without payment and possession of a firearm.
The man remains in custody as investigations continue.
The Metropolitan Police have not yet released the identity of the suspect or provided further details on the circumstances surrounding the incident.
Anyone with information regarding this incident is urged to contact the police on 101 or report anonymously via Crimestoppers.