Published: Jul 27, 2011 7:17 PM EDT
Updated: Jul 27, 2011 6:17 PM EDT

CIUDAD JUAREZ, Mexico (AP) - Officials say a woman and a 15-year-old girl were illegally inside a Mexican border prison when a fight broke out that killed 17 inmates.
    
Chihuahua state prosecutors say a party was also apparently under way in the all-male prison before the riot started Tuesday.
    
Among other revelations, the federal Public Safety Department said federal police fired on Police Chief Julian Leyzaola of the border city of Ciudad Juarez on Tuesday when he went to the scene of the prison riot. He was not hit. The department said Leyzaola had driven through a checkpoint without stopping.
    
The incident was the latest sign of tension between local and federal security forces in the violent city, located across the border from El Paso, Texas.

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