A man and a woman were also injured in the incident
A man in his 40s has died in a road crash in Derry city.
Two cars collided on Clooney Road at around 12.50am this morning.
Another man and a woman - aged in their 50s - were taken to hospital for treatment of injuries which are not thought to be life threatening.
The PSNI says the crash involved a silver Ford Ka and a grey Peugeot 308, and are appealing for any witnesses to come forward.
The road has since reopened.