Border drug battle kills at least 22

The bloodiest gunfight in Mexico's five-month-old offensive against drug gangs killed 22 people, including five policemen, officials said. Shooting broke out yesterday in Sonora state, just south of Arizona, when state police backed by helicopters and soldiers swooped on a ranch where up to 50 heavily armed drug hitmen were holding abducted police officers and civilians, the state government said.
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