- One suspect is described as a white boy, with blond hair and blue eyes, approximately 5ft 6ins tall and wearing a black woolly hat, dark jacket and grey tracksuit bottoms
- The other two suspects are both described as black boys, one approximately 5ft 2ins tall and the other approximately 4ft 11ins tall
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A lamp in the tower which houses Big Ben is to be switched off for the first time in more than 70 years.
Sir Bruce entertained audiences for more than seven decades.
Work in the tower will also pause over the bank holiday weekend.