We are appealing for information about an assault in Portsmouth in the early hours of Sunday morning (21 July).
Around 1.30am, a woman walking along Crasswell Street, Paradise Street and Lake Road was followed by two men on bicycles.
They surrounded her and assaulted her, leaving her in a distressed state and with bruising to her arm.
The main offender is described as aged between 19 to 20-years-old, black skin, about 5ft 8ins tall, short hair in an afro style, skinny build, wearing blue ripped jeans, a black jacket or jumper with white trainers.
Officers would like to hear from anyone who witnessed the incident or who has information about what happened.
Anyone with information is asked to contact Police Staff Investigator Johnston on 101 quoting crime reference number 44190254628.