'Explosion' on industrial estate near Norwich
Emergency crews are at an industrial estate near Norwich following reports of a loud explosion.
Police, the fire service and paramedics are at Rackheath industrial estate and roads have been sealed off. No further details have been released.
People living in the area contacted the BBC to say they had heard a loud bang and windows shook at about 2115 GMT.
Residents in Blofield, also to the north-east of the city, reported hearing an "explosion".
Norfolk Fire and Rescue Service said had sent several appliances and was searching the estate and surrounding area.
Aurora Cotten-McKean said on Twitter that the "explosion" was very loud and made her house and windows shake in Salhouse.