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A controlled explosion has been carried out at a Greenhithe cement works this afternoon.
Police confirmed a suspected wartime device was blown up after being discovered at Lafarge Tarmac.
Bomb disposal experts descended at the Charles Street works, near the Asda supermarket, just off Crossways Boulevard.
Greenhithe was one of the first places hit by V1 rockets during the Second World War.
The first V1 deployed in England exploded in a cabbage field in Greenhithe on June 13 at 4.28am.
The site would now be somewhere between Bluewater and the A2.
A unit from the Royal Logistics Corps bomb disposal team was seen entering the site this afternoon as police officers stood guard.
The controlled explosion was carried at shortly after 2pm.
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