A police dog handler has been rescued by a coastguard rescue team after he was injured while chasing a suspect.
The unnamed dog handler suffered a fractured ankle on the cliff path at Botallack, near St Just about 0630 GMT.
Devon and Cornwall Police said he was chasing a suspect who fled from a Peugeot car which had been stopped by a police stinger.
The injured officer was rescued by the Land's End cliff rescue team and taken to the Royal Cornwall Hospital.
Falmouth Coastguard said the cliff rescue team were deployed because the terrain was unsuitable for a land ambulance and the weather prevented a helicopter rescue.
A police spokesman said the suspect was not caught.
A stinger device is used by police to puncture the tyres and disable vehicles that have failed a request to stop.