Police in Londonderry are appealing for information following a two vehicle road traffic collision.
The crash occurred shortly after 5pm on Sunday, 17 April.
The collision occurred on the Madams Bank Road, in the city and one of the vehicles involved in the incident was a police vehicle.
Appealing for information about the accident, investigating officer, Sergeant Ray McGrattan, said he wanted to appeal to anyone who may have witnessed this incident to contact the police and share what they know.
The number to ring is non-emergency number 101.