RILEY COUNTY — Authorities are investigating the cause of a fire at a mobile home park in Manhattan.

Just after 3:30 p.m., fire crews responded to report of a shed fire at the Redbud Estates, 2500 Farm Bureau Road, according to a media release. The fire spread rapidly and two nearby homes also caught fire.

A family safely escaped one home. The other home was unoccupied.  A dog died in the fire.

One firefighter was treated heat exhaustion. Officials have not released the cause of the fire.