Clashes between police and suspected cartel gunmen in a northern Mexican town killed 21 people this weekend, authorities said, adding fuel to a debate sparked by U.S. President Donald Trump, who has vowed to designate the gangs as terrorists. The government of the northern state of Coahuila said local security forces killed seven gunmen early on Sunday, adding to 10 others who were shot dead during exchanges in and around the small town of Villa Union not far from the Texas border. Four police were also killed and six wounded in the shootouts, which stunned residents of the town around midday on Saturday, sparking ... (full story)