A 24-year-old woman had her arm broken during an attack on a nightclub dance floor.
Police have released images of a man they want to speak to in connection with the assault in Club Colosseum Complex, in Nine Elms, in the early hours of Sunday March 2.
The police were alerted by paramedics from the London Ambulance Service at about 3.50am to an injured woman in the nightclub.
She had been at an event called Back to 95 when she was assaulted by at least one man on the dance floor in the House and Garage room.
She was taken to a south London hospital where she was treated for a broken arm.
Police described the woman as white, wearing a black and white striped skirt and a long sleeved black and white polka dot top.
Anyone with information should call Wandsworth police on 020 3276 2582.