Billie Piper is believed to have been involved in a car accident with a 16-year-old cyclist.
A Metropolitan Police spokesman said: 'Police were called to Goods Way, King's Cross, by the London Ambulance Service at 15.56hrs on Tuesday, July 29 to reports of a road traffic collision between a motor vehicle and a cyclist. The driver of the vehicle was female."
He said that enquiries continue into the incident which involved "a black VW Golf which was in collision with a cycle being ridden by a 16-year-old male. The driver stopped at the scene".
The Mail on Sunday reported that Billie was driving at under five miles per hour when the incident happened.
The actress, 31, who has appeared in Doctor Who and The Secret Diary Of A Call Girl, is currently appearing in a play at the National Theatre called Great Britain where she plays a tabloid news editor.
A London Ambulance Service spokesman said: "We were called at 15.53 to reports of a road traffic collision involving a car and a bike on York Way.
"We sent a responder by car and an ambulance crew to the scene.
"We treated a boy reported to be 16 years old for a shoulder injury.
"He was taken to University College Hospital."