A woman has died after the car in which she was travelling hit a lamp post.
The Vauxhall Astra collided with a lamp post on Blackpool Road, at the junction with Cambridge Road in Lytham, at 6.10am today.
The emergency services were called to the incident and road closures were put in place in the area.
A police spokesman said the female passenger had died.
A man has been arrested on suspicion of drink-driving offences.
Anyone with information about what happened is asked to call police on 101.