Windsor fire officials believe there have been 11 intentionally set fires in Windsor over a 10-day period.

Police are helping investigate suspected arsons at 2614 Meadowbrook Lane, 2609 Sycamore Drive and 2616 Sycamore on Monday night. Chief fire prevention officer Lee Tome says they are related.

They are also probing another suspicious fire that started in a garage at 449 Parent Avenue at 1:10 a.m. Tuesday morning.

Investigators are still working to determine damage estimates and causes.