Police are looking for a man following an attack on a woman in central Christchurch.
The 20-year-old told police she was returning to a backpackers where she was staying in Gloucester Street about 10pm on Monday.
The woman says she was grabbed from behind by a man who had exposed himself to her moments before.
Police say the man, who is in his 20s, ran off when she screamed.
The man is described as Pakeha, about 1.75 metres tall, of medium build, with black hair which has blonde streaks.
He was wearing a black puffer jacket and jeans.