Police are asking the public to help them catch a group of sheep rustlers targeting One Tree Hill.

There have been a series of incidents over the past few weeks where people have used dogs and traps to round up and capture sheep after dark at Cornwall Park.

The most recent incident was last Wednesday, where members of the public disturbed three men and three large dogs capturing new born lambs.

Police want anyone who notices anything suspicious at the park to call 111 immediately.