Police are investigating an assault that happened at Rainworth Skatepark on Saturday 8 April just after 1pm.
A 14-year-old girl was assaulted in an unprovoked attack, leaving her with a black eye and bruising to her face.
A video of the attack has appeared on social media.
Officers have spoken with the victim’s mum and a statement is set to be taken from the victim this week.
Inspector David Platt said: “This must have been truly horrific for the victim and her family and we are taking this incident extremely seriously.”
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