Police are investigating after receiving a report that a man fired a catapult or BB gun at a 13-year-old girl.
Police were called at 8.10pm on Thursday (August 15) following the incident in Green Walk, Northgate.
The attack happened at around 3pm that afternoon.
A spokesman said: “The girl is reported to have sustained a red mark on her arm but she did not require medical assistance.
“Police are investigating and no arrest has been made at this stage.”