Law enforcement officers have detonated a German bomb that washed up on Cobo Beach.
A controlled explosion has been monitored by three or four members of the bomb disposal squad at around 5.40pm.
It meant the road was temporarily closed between the beach car park and Iceland.
Officials say the explosive device could have washed up several days ago, but they aren't sure.
Three other bombs have been found and removed by law enforcement in the past week.
Saumarez Park's spider web climbing frame reinstated
A new six-metre-high climbing structure is ready for play at Saumarez Park.
Guernsey group supports people in life transition
New Beginnings has helped 150 people to change careers, start a business or deal with a life crisis.
New Medical Director for Guernsey appointed
Dr Mat Dorrian will take over from Dr Peter Rabey as Guernsey's Medical Director.
New initiative links Guernsey cancer patients with UK research
Guernsey cancer patients will be able to join UK clinical research without travelling off-island thanks to a new university partnership.
Second committee resignation in 24 hours
A second States deputy has resigned from a senior Guernsey committee in the space of 24 hours.
Guernsey's government in talks with Brittany Ferries over timetabling
Economic Development says its 'closely involved' in discussions after Brittany Ferries announced cost-cutting plans.
Water usage increases to 15 million litres per day in Guernsey heatwave
Guernsey Water says planning ahead helped it cope with "incredibly high demand" during the June heatwave.
ED committee reels from resignation
Guernsey's Economic Development committee is reeling from the resignation of Deputy Haley Camp.
