A woman in her 30s was attacked on the Creggan Road in the early hours of yesterday morning.
Police said the woman was taken to hospital "for treatment for a number of stab wounds to her abdomen and bruising to her face".
They added that her injuries are not believed to be life-threatening.
Officers investigating this incident continue to appeal for witnesses. Detectives at Strand Road Reactive and Organised Crime can be contacted by calling 101.