A main road has been closed after a driver crashed into vehicles waiting at traffic lights and then a tree. 

The incident took place at about 4.30pm on the A283 in Washington, near Steyning. 

The woman, 81, was travelling in a Golf when she struck another Golf waiting at temporary lights near the junction with Water Lane. 

The second Golf hit a Mercedes in front.

The driver of the first Golf then spun and hit a tree. She has been taken to the Royal Sussex County Hospital in Brighton. Her condition is unknown but potentially serious. 

No-one else is believed to be injured. 

Sussex Police urged motorists to avoid the area.

Witnesses should call Sussex Police on 101.