Homes were evacuated in two parts of Devon as bomb disposal teams dealt with the separate discoveries of unexploded devices.
Plymouth City Council said a small number of residents on Millbay Road were "strongly advised to leave their homes for their own safety" after bomb disposal experts confirmed a 50kg German WWII bomb was found at a building site. A 400m (1,312ft) cordon was in place.
In a separate incident in Exmouth, a 400m cordon was set up at Exmouth Marina after a "suspected unexploded ordnance" was dredged from the water, with properties also evacuated.
The Royal Navy's Devonport-based bomb disposal team was assisting in Plymouth and a unit from the Midlands was in Exmouth.