The attack took place in the St Columb’s Park area at around midnight. A 17 year old girl was in the area of the park around 12 midnight when she was approached by an unknown male and assaulted. He is described as being aged in his 30’s.
Detective Inspector Lynne Knox said: “I would appeal to anyone who may have been in the area at the time of this incident to contact police on the non-emergency number 101. If someone would prefer to provide information anonymously, they can contact Crimestoppers and speak to them on 0800 555 111.”