East Sussex Fire and Rescue Service was called at 01.32 this morning (4 August 2014) to reports of a serious road traffic collision.
Two crews from Lewes attended the scene near Middle Farm on the A27 at Firle.
South East Coast Ambulance also attended.
One person was released from a car by firefighters.
Sussex Police have issued an appeal for witnesses.
For more information: www.sussex.police.uk/whats-happening/latest/news-stories/2014/08/04/appeal-for-witnesses-to-serious-collision-on-the-a27-firle