Updated

A mother and son were killed in Ciudad Juárez over the weekend when the SUV they were riding in was sprayed with assault-rifle fire, according to the El Paso Times.

The U.S. citizens were among four people killed in an attack on a blue Dodge Durango with Texas plates in Ciudad Juárez on Friday evening.

The U.S. Consulate in Ciudad Juárez has confirmed that two of the dead were identified as Pablo Noe Williams, 19, and his mother Rosa Williams, 35 - both are listed as being from Kansas.

The Chihuahua state attorney general's office spokesman told the paper that all four deaths were caused by gunshots.

Often dubbed the "murder capital of the world," Cuidad Juárez, which borders El Paso, Texas, recorded 1,037 murders through mid-June. Many of the killings are linked to the battle between Juárez and Sinaloa cartels.

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The carnage from Mexico's drug war which started in 2006 and has already claimed some 36,000 lives.

In the ongoing Border Battle -- the U.S. State Department warned Americans to stay away from even more locations in Mexico as recently as this past summer when officials warned Americans not go to parts of 11 Mexican states.

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