June 16, 2010
About 3,500 acres of southern Arizona have been closed off to U.S. citizens due to increased violence at the U.S.-Mexico border, according to the U.S. Fish and Wildlife Service.
The closed off area includes part of the Buenos Aires National Wildlife Refuge that stretches along the U.S.-Mexico border.
Pinal County Sheriff Paul Babeu told Fox News that violence against law enforcement officers and U.S. citizens has increased in the past four months, forcing officers on an 80 mile stretch of Arizona land north of the Mexico border off-limits to Americans.
The refuge had been adversely affected by the increase in drug smugglers, illegal activity and surveillance, which made it dangerous for Americans to visit.
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