A man reportedly got out of his car in Louth to assault two 14-year-old boys.
The boys were walking along Wood Lane in the town at around 5pm on October 6 when they say they were assaulted.
Both of the boys were said to be left with minor injuries.
Lincolnshire Police are looking to speak to any witnesses who saw a passenger get out of a silver vehicle to assault the boys.
Anyone who was in the area at the time is being urged to call 101 and quote incident 101 of October 9.