Chelsea teenager Callum Hudson-Odoi was arrested after an incident at his Battersea home during the early hours of Sunday morning where a woman claimed she was raped.
Metropolitan Police officers attended reports of an incident at the England international's apartment after being called by a woman who was at the address. An ambulance also attended the scene.
The 19-year-old was arrested by officers and taken into police custody.
A police spokesman said: 'Police and London Ambulance Service were called at 03:53hrs on Sunday 17 May to a report of an unwell woman.