LOS ANGELES (CBSLA) — One man was injured after being burned in an explosion at a Koreatown apartment early Tuesday.

The explosion just after midnight caused a fire that was contained to one apartment in the 800 block of South Ardmore Avenue in Koreatown.

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Police say the explosion was an accident, after initial reports that it was caused by a drug lab. No criminal elements or evidence of a drug lab were found at the scene.

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The sole resident of the apartment was treated at the scene for light burns and he was not arrested.

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A stretch of South Ardmore Avenue was closed for a short time during the investigation.