A girl was injured after being pushed into a pond and assaulted at Sidney Park in Cleethorpes.
The 15-year-old was in the park with friends at around 7pm last Saturday when she was approached by a group of people she knew.
One of the group pushed her into the pond and, as she got out, she was then assaulted by the rest of the group.
The girl sustained minor cuts, bruises and dizziness in the incident.
Police would like to speak to anyone who may have been in the park at the time of the incident, and who may have seen what happened.
Anyone with information is asked to call Humberside Police tel 101 quoting crime reference 2047857.
