Arson investigating duplex fire near downtown Houston

January 28, 2012 5:42:10 AM PST
Arson investigators are looking into the cause of a mysterious fire at a duplex just south of downtown Houston.

The fire started just before 1am Saturday on Rosewood near Texas 288.

When firefighters arrived, the building was fully engulfed in flames.

No one was injured in the blaze. The duplex was vacant.