Police investigating the murder of a man in South Tottenham at the weekend have arrested a fourth man.
Officers executed a search warrant at a residential address in Tottenham in the early hours of this morning and arrested a man in his 20's on suspicion of murder.
He is currency 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.