A teenager has told London Tonight how he was hit in the chest by a charge from a police taser, as officers foiled an attempted jewel robbery.
Kieran Ahmet, who is 17, was an innocent bystander caught up in the police operation in north-east London on Saturday morning. The Met has said sorry. This report from Piers Hopkirk.
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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.