Trained negotiators have been called to Blundeston Prison where inmates are on the roof.

Police were called to the prison near Lowestoft at 2.15pm today after reports that two men had climbed onto the roof. It is believed that the men are holding scaffolding.

A Prison Service spokesperson said: 'There is an ongoing incident at height at HMP Blundeston. Two prisoners gained access to a workshop roof at 2.15pm this afternoon. Specialist staff are at the scene working to bring the situation to a safe conclusion.'

A spokesman for Suffolk police confirmed that trained negotiators are now on the scene.

Blundeston is a category C training prison with room for 526 prisoners. It does not accept prisoners that have less than 12 months to serve.