The Royal Navy has dragged an unexploded World War II bomb down the River Thames overnight and plans to detonate it at sea on Feb. 14, 2018.
The bomb — a 500-kilogram tapered-end shell, measuring about 1.5 meters, or 4.9 feet, long — was discovered buried in dense silt near the runway of London City Airport on Sunday morning, Feb. 11th.
The airport closed Feb. 11 and through Feb. 12 so the London police and a Royal Navy bomb-disposal team could remove the device. Hundreds of flights were canceled, disrupting some 16,000 people’s travel plans.
The bomb-disposal team removed the bomb with a lifting bag and dragged it down the Thames overnight to Shoeburyness, a coastal town 60 kilometers east of the bomb’s original location, a Royal Navy spokeswoman told Business Insider.
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The unexploded ordnance is now at a military range in the sea off Shoeburyness, Essex. The Navy plans to attach high-grade military detonators to blow it up.
The bomb-disposal team originally wanted to detonate the bomb on Feb. 13. It has since postponed the operation because of poor weather conditions, the Royal Navy said.
Cmdr. Del McKnight of the Royal Navy’s fleet diving squadron said in a statement on Feb. 13:
The bomb presents no risk to the public in its current location, so we will leave it where it currently sits until tomorrow.
The area where the airport stands used to be an industrial center, and it came under heavy bombardment from German planes during the war. Unexploded bombs still occasionally turn up during construction work.
London City Airport operates flights to and from the U.K. and Europe as well as New York. More than 4.5 million people used the airport last year.