A police officer outside Embankment tube station in central London stops pedestrians from using the Hungerford Bridge, as a suspected unexploded World War II bomb has been found in the River Thames, forcing the closure of W… . Shutters close off one of the exits of Charing Cross station in London, as a suspected unexploded World War II bomb was found in the River Thames, forcing the closure of Waterloo and Westminster bridges Thursday Jan. 19, 2017.