were evacuated on Wednesday morning. With employees ordered out the building for their own safety, production of the drug, currently rolled out across the UK, was halted until officers removed the suspected bomb hours later.Roads in the area were closed for a controlled explosion at 3.20pm following a robot's inspection, Wrexham.com reports.Witness Ian Hunter, who works opposite the Wockhardt plant, described hearing a loud bang, he said: “There was no smoke, no flames, just a bang.”“It wasn’t a big explosion but it was loud enough to echo around the place.”Despite the potentially dangerous disruption to operations, an AstraZeneca spokeswoman dismissed talk of it wreaking havoc to the drug maker's schedule.She said: "We can confirm that the.