A woman wearing Muslim dress was pelted with an egg by hate crime attackers on lower High Street in Lincoln.
The incident happened between 9.30pm and 10pm on November 20 along the High Street in the area of Gowts Bridge, Lincoln, towards South Park.
A dark-coloured vehicle, believed to be a Peugeot, had slowed down and the occupants threw an egg at the victim.
The vehicle then drove off towards the city centre.
Officers in Lincoln are appealing for information to help them with enquiries into the hate crime investigation.
Anyone who witnessed this offence, or knows of any information, including the vehicle involved, should call 101 and state that this is for the attention of PC 601 Barnatt.