FILE - In this Thursday, March 15, 2012 file photo, the Boudica statue stands in the foreground as fog shrouds the clock tower which houses the Big Ben bell at the Palace of Westminster, London. Officials on Tuesday, Aug. 25, 2015 said that the famous clock at Britain's Parliament, used by people across Britain to check the time, has recently been slow by as much as six seconds. (AP Photo/Matt Dunham, File)