Thousands of people were evacuated after a World War Two bomb was discovered in Exeter.
A loud explosion could be heard for miles when the disposal experts detonated the explosive after securing the area on Saturaday.
Hundreds of university students from 12 halls of residence and residents of a nearby care home were among those ordered to leave around 2,600 properties after the bomb was found in the city’s Glenthorne Road.
Devon and Cornwall Police were alerted after the device was discovered by workers on a building site on private land to the west of the University of Exeter campus at about 9.20am on Friday.
A 400-metre cordon was placed around the device as disposal experts from the Royal Navy spent Saturday attempting to make it safe.
Inspector Sean Roper, of Devon and Cornwall Police, suggested the measures had been put in place because of the sheer size of the bomb.
He said: “It’s approximately 2.5 metres in length by about 70cm in width.