Emergency services were called to Old Ballards Park (credit: Google Maps)
Police found the teenager suffering from a knife wound in Old Dagenham Park at around 4.50pm today.
He was rushed to hospital, although his injuries are not serious.
Officers have arrested a male suspect on suspicion of GBH and for being in possession of an offensive weapon.
They are investigating the circumstances surrounding the attack.
Anyone with information is asked to contact police on 101 or tweet @MetCC and quote CAD 7522. Alternatively, you can contact the independent charity Crimestoppers on 0800 555 111.Tags: Dagenham, Barking and Dagenham
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