The Duluth Fire Department responded to a fire at the dug out at the Woodland Recreation center on Sunday around 1 in the afternoon. The fire burned some rubber mats, and part of a bench. Fire officials say it was an arson fire, similar to one in Hartley Park around a month ago.
If you have any information call the arson tip line 1-800-723-2020.
There is a reward of up to 5,000 dollars for information that leads to an arrest.