Mexican prosecutors have launched a probe against soldiers over the shooting deaths of six people in a northern state where clashes involving drug cartels are frequent, a judicial source said Tuesday.
The incident occurred on Monday on a highway in Tamaulipas , considered one of Mexico's most dangerous states due to the presence of gang members involved in drug and migrant trafficking.
Numerous violent clashes involving security forces in Tamaulipas have prompted accusations of extrajudicial killings.
The troops involved in the latest deadly incident have been "placed under investigation," an official with the attorney general's office told AFP on condition of anonymity.
A defense ministry statement said the group of soldiers was traveling on a highway when a white pickup truck "tr