At least 11 people, including a soldier, were killed in three clashes between armed groups and authorities in northeastern Mexico, a state attorney said today.
The deaths "were the result of several shootouts" on Friday in three municipalities, the Tamaulipas attorney general said in a statement.
He first, in Gustavo Diaz Ordaz left two armed civilians dead. Four hours later in the border city of Matamoros, six armed civilians were killed.
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Since 2010, the Gulf drug cartel and its former ally, Los Zetas have fought a bloody battle for dominance in Tamaulipas.
More than 70,000 people have been killed in the drug war in the past six years.