KANSAS CITY, Kan. -- Kansas City, Kan., fire crews found a man dead inside a smoke-filled basement with a smoldering mattress fire.

KCK fire crews responded to the call at 1329 N. 77th St. on a call of a smoke alarm going off in a residence and the smell of smoke. Fire crews said they detected a slight odor of smoke and proceeded to check the residence.

During the check, one fireman checked the adjoining townhome at 1331 N. 77th St. and detected smoke in the structure. Crews had to force entry into the structure and found the basement filled with smoke.

Fire crews found a smoldering mattress in the basement and, shortly after, a man. The man was taken out of the townhome, but was determined to be dead. The man was 53.

The damage to the structure is estimated at $10,000.