The young girl was approached on Chorley Road by two males who were said to be in their late teens. The incident took place in Horwich, Bolton at 11.50pm on Friday.
Following reports, the police arrived at the incident – which had been described as “incredibly frightening”.
According to detectives, the girl was not the intended target.
The 15-year-old had been taken to hospital to be treated for ‘minor injuries’.
After being treated, the girl has since been discharged.
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Detective Inspector Andy Wright of GMP’s Bolton district said: “Understandably this was an incredibly frightening ordeal for the young girl and thankfully she only sustained minor injuries, but the outcome could have been far worse.
“We’ve been following all available lines of enquiry to establish the full circumstances and we are currently treating this as an isolated incident, however, we do not believe the victim was the intended target.
“Detectives are continuing to investigate to ensure we identify the males responsible and bring them to justice but I would urge anyone who may have been in the area and has information to come forward and assist police.”
Anyone with information or video footage should contact police on 0161 856 5757 or 101.
Express.co.uk has contacted Greater Manchester Police for comment.