A man has been arrested after a 14-year-old girl was struck by two cars at a zebra crossing in Eastbourne.
Sussex Police said the incident happened at the crossing near the junction of Southbourne Road at 1540 GMT on Tuesday.
The crash involved a Peugeot and a Mercedes. The driver of the Mercedes, an 18-year-old man, was arrested on suspicion of dangerous driving.
The girl was taken by ambulance to hospital in a critical condition.