Police are searching for a man following a "serious assault" in Plymouth.

Devon and Cornwall police said officers were called to the West Hoe area of the city at 8.55pm on Wednesday after the victim was found seriously injured in the street.

The person was treated at the scene by paramedics and taken to Plymouth's Derriford Hospital.

West Hoe Road was closed and "a large number" of police units remained on scene "conducting extensive enquiries and searches in the area to locate a male suspect," the force said.

Detectives said the two people were believed to be known to each other.

Detective Chief Inspector Dave Pebworth said: "We have a large police presence in the area and enquiries are ongoing to locate and arrest the suspect.

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"We believe this is an isolated incident and there is no immediate threat to the wider public.

"We would ask members of the public to please stay away from the West Hoe area of the city while we continue our investigation."