A woman was allegedly assaulted by another female while she was walking along a Lincoln riverbank with her child.
The victim was walking along the riverbank near the Sidings off Firth Road in Lincoln when she was pushed over by another woman.
The incident was reported to police at 11.55am on November 25.
Lincolnshire Police has released a photo of a woman the force wants to speak to in connection with this incident and who may able to assist with the investigation.
Anyone with information should contact police on 101 quoting incident number 152 of November 25.