A major police response unfolded in Tulse Hill, South London, on Tuesday following reports of a shooting that left one person critically injured.

Emergency services were called to the Parkside area in the West Norwood section of the London Borough of Lambeth, where witnesses reported hearing gunfire earlier in the day. The incident prompted a significant law enforcement presence, with armed police units deployed to the scene and a police helicopter seen circling overhead.

According to authorities, one individual sustained serious injuries as a result of the shooting and was rushed to a nearby hospital. Their condition has been described as critical.

Police have confirmed that one person has been arrested in connection with the incident. However, further details regarding the suspect’s identity or the circumstances leading up to the shooting have not yet been released.

Residents in the area described a tense and alarming scene as the situation unfolded. Many reported seeing heavily armed officers moving through the streets, while others took to social media to share concerns about the large police presence and ongoing activity.

“I saw the helicopter hovering for quite a while and police everywhere—it was really worrying,” one local resident said.

Authorities have cordoned off parts of the area as investigations continue, urging the public to avoid the vicinity while officers carry out their work.

At this time, police have not confirmed a motive, and it remains unclear whether the incident was targeted or random. Detectives are expected to provide further updates as more information becomes available.

The incident has left the local community shaken, as residents await answers and hope for the recovery of the injured victim.

This is a developing story.