A man was treated for burns after his clothing was set alight during an incident in Grimsby's Grant Thorold Park.
Shortly before 8.20pm on Tuesday (September 3), the 41-year-old man was walking through the park when he was approached by three unknown teenage boys.
An altercation is believed to have taken place during which his clothing was set alight.
The man was taken to hospital where he received treatment for minor burns to his back.
The teenagers were described as being aged between 13 to 15 years old. One of them was wearing a grey top, one was wearing a maroon top and the other a blue top.
A number of witnesses have been spoken to by police, however anyone else who may be able to assist with the investigation is asked to call Humberside Police tel 101 quoting log 705 of 03 Sept 2013.
