WW2 bomb in Exeter: 2,600 homes evacuated as experts examine device Police say examination of the device could take 'several hours' Updated The video will auto-play soon8Cancel Play now After an unexploded WW2 bomb was discovered by builders yesterday, an extended police cordon this morning has meant thousands of people have been evacuated. A major incident was declared after the bomb was located on a building site on private land next to the University of Exeter campus - on Glenthorne Road. Nearby residents, including university students and residents of Dennyshill Care Home, were evacuated last night after Devon and Cornwall Police set up a 100m cordon.