Humberside Police want to trace two women in connection with an assault on another woman in Hull on 2 September 2017.
The victim was walking home along Great Thornton Street around 2.30am when she was allegedly assaulted by the women who were carrying weapons.
She was taken to hospital with minor head injuries.
The women have been described as in their 20s, both of large build with local accents.
One had long hair and wearing a blue Adidas jacket. The second had brown hair and was wearing a black Parker jacket.
Anyone with any information has been asked to call 101 quoting log number 79 of 02/09/17.
A photograph of one of the women is featured.