Fire Marshalls Investigate String of Grass Fires | Crime

Arson is suspected in a string of grass fires in Southwest Rochester.

Investigators say there have been three fires in the past 2 weeks.

The most recent happened Friday night near Willow Heights Drive.

There hasn't been any major damage, but authorities are worried because they've found evidence that shows the fires may have been started on purpose.

Anyone with information is asked to call the arson hotline at 1-800-723-2020.