Firefighters have responded to a two-alarm fire at Indian Boundary Park field house at 2500 W. Lunt Ave. in West Rogers Park, according to a Sun-Times media wire.

More from the wire:

According to unconfirmed dispatch reports, an EMS Plan 2, which sends at least 10 ambulances to the scene, was called for the fire. A mayday alarm, indicating firefighters were unaccounted for, has been called off.

Neighborhood blog Now in Rogers Park is reporting the building is still on fire and a firefighter has been taken away on a stretcher. Head there to see a photo.

The Indian Boundary Park field house was completed in 1929 and added to the National Register of Historic Places in 1995. It was named a Chicago Landmark in 2005.

Update 2:48 p.m.: The Tribune reports two firefighters were hospitalized with heat-related injuries. They both are in good condition. The fire reportedly started in the upper level of the field house and caused “substantial damage,” including a partial collapse of the roof.