Police were called to a park in Stockport after receiving reports of youths brandishing baseball bats.
Officers were called to Alexandra Park in Edgeley on Sunday evening, after a group of boys were seen carrying the bats.
Police attended immediately and have since confirmed that a boy was detained at the scene.
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A spokeswoman for Greater Manchester Police said: "We were called shortly after 5pm to Dale Street, Edgeley, to reports of a group of youths with what appeared to be baseball bats.
"Officers attended and one boy was detained".
