Officers were called after the 13-year-old, who wanted to remain anonymous, was set upon in Sloughbottom Park by a hooded youth who was swinging a large blade at him.

Sloughbottom Park (Image: Peter Walsh, Newsquest) The boy tried to kick the knife from the hand of the offender - dressed all in black - after he fell to the floor in the incident which happened at about 4.15pm........

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