Czech bomb disposal experts on Friday detonated a World War Two bomb found on the site of an oil refinery.
The Polish-owned plant has halted operations since the discovery last week, police said.
Police had prepared for the controlled explosion for several days.
Creating a wall of sandbags around the bomb at the Litvinov refinery, which is operated by Orlen Unipetrol, a Czech unit of Polish refiner Orlen (PKN.WA), opens a new tab.
The 230-kg (507-pound) bomb contained about 100 kg (220 pounds) of explosives, Orlen Unipetrol said in a statement, adding that it was monitoring and assessing the impact of the controlled blast on the site’s equipment and infrastructure.
Last week, the company said the refinery would likely be restarted in early September.
