
Tamaulipas has become one of the most violent states in Mexico as rival drug cartels fight each other for its strategic position on the US border.
The bodies -- some of them badly burned -- were found Wednesday in the border town of Miguel Aleman, about 170 miles (270 kilometers) from McAllen, Texas, the city Trump was due to visit as he continues his push to build his long-sought border wall.
"We have reports there was a shootout yesterday (Wednesday) between two criminal groups that ended with 21 people dead," the security spokesman for the state of Tamaulipas, Luis Alberto Rodriguez, told Mexican TV news channel Milenio.
"Some of them were burned. Seven vehicles were also located... It was a confrontation between two rival groups that are involved in a turf war over drug-trafficking routes."














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