SOUTH LOS ANGELES (CBSLA.com) — A man was killed in a fire that swept through an abandoned home in South Los Angeles, firefighters said Thursday.

The blaze was reported shortly after 9 a.m. Wednesday in the 2900 block of Griffith Avenue near 29th Street.

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Upon their arrival, firefighters located workers from a nearby business using sledgehammers to gain entry to the residence.

Crews removed plywood and steel security bars that covered the windows to the 98-year-old building.

An unconscious man was found inside one of the bedrooms.

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Paramedics transported him to a hospital where he was listed in grave condition, and later died. His identity is being withheld pending family notification.

Firefighters said a woman managed to escape from the home with minor injuries. She declined treatment at the scene.

No other injuries were reported.

The flames were extinguished within 16 minutes.

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The cause of the fire remains under investigation.