It's been revealed that a teenager who was stabbed on a bus in north London on Tuesday had been celebrating his 16th birthday.
Derek Boateng was fatally injured in the attack at Highbury New Park.
A 15-year-old boy has been arrested on suspicion of murder and remains in custody at a north London police station.
More top news
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.