A prison guard (L) collects messages for inmates sent by relatives after federal police regained control of a prison in the border city of Reynosa, northern Mexico October 20, 2008. At least 21 prisoners died in a jail riot in Mexico near the Texas border on Monday when inmates from rival gangs staged a gun battle and set fire to the building. REUTERS/Tomas Bravo (MEXICO)
REUTERS/TOMAS BRAVO