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A teenager from Kent has been arrested on suspicion of attempted murder after a boy was stabbed.
Police and paramedics were called at about 3.30pm on Friday, after a 15-year-old was stabbed in Malborough Gardens in Upminster, east London.
The victim was taken to hospital for treatment, where he remains in a serious but stable condition.
Detectives investigating the stabbing have today arrested a 17-year-old boy from Chatham in Medway, on suspicion of attempted murder.
He is currently detained at an east London police station.
Officers also continue to appeal for witnesses and information about the stabbing.
Witnesses or anyone with information are asked to call 101 or tweet @MetCC and quote CAD 4545/24Sep.
To remain anonymous, contact the independent charity Crimestoppers on 0800 555 111.