Dramatic video shows man climb near edge of Portsmouth rooftop during police standoff

A man in a rooftop standoff with police has sprinted across the top of a block of flats as the incident entered its fourth hour.

The young man, who is walking across the apex of the pitched roof, has been on the building in Garnier Street since around 8.40am.

Rooftop standoff in Murefield Road, near Asda, Fratton, Portsmouth. Picture: Habibur Rahman

Rooftop standoff in Murefield Road, near Asda, Fratton, Portsmouth. Picture: Habibur Rahman

He has since 

Officers have been negotiating with him for several hours. 

The man has sprinted across the roof and lifted two large blocks from the chimney of the building, clutching the television aerial to steady himself.

A cordon has been in place at the Asda car park nearby but the supermarket is still open.

The man on the roof of the three-storey building.

The man on the roof of the three-storey building.

Pacing around on the roof the man has been passing items to the police negotiators and repeatedly standing up and sitting down.

FULL STORY: Police speaking to man on roof of three-storey building near Asda supermarket