Mexican troops deployed to quell unrest ahead of elections

Coalition of teachers’ unions and activists vowed to block elections
Vote comes amid widespread discontent with country’s politicians Thousands of soldiers and federal police were deployed to guard polling stations in conflictive southern states as voting began Sunday for what could be Mexico’s most violent elections in years, seen as a litmus test for President Enrique Peña Nieto’s government.Midterm elections like Sunday’s, which will choose all 500 seats in the lower house of