Police are investigating an alleged racially aggravated public order offence against an 11-year-old girl in Spilsby on Saturday.
The incident is said to have taken place at around 9.30am on Ancaster Avenue and involved a dog which was loose in the street.
An unknown male shouted at an 11 year-old girl concerning the dog, and is alleged to have used racist language, said police.
The man is described as a white male aged in his 60s or 70s, around 5ft 8ins tall and of medium build.
He was wearing a dark hat with flaps over the ears, a thigh length orange/red puffer coat, and dark trousers. He was walking a very small black and white short haired dog.
If you are this man, or you know his identity, you are asked to contact Pc John Biggs at Horncastle Police Station by dialling 101 and quoting incident number 231 of February 6.