In the Santiago el Pinar municipality, in the state of Chiapas, an armed group opened fire Sunday against polling station officials, injuring 15. Authorities reported the situation was under control, but voting was temporarily suspended in the municipality.
Reyna Parra Chavez, city councilor, called on politicians, candidates and political parties to have a peaceful election day and “keep your dogs on a leash”
On the same day, drug-traffickers in Acapulco, state of Guerrero, threatened to kill whoever would attempt to influence the vote for any party. "The vote is free and secret," they insisted in a banner hanged in the city.
Mexico suffered its most violent year in recent history in 2017, and murders are still rising. A fragmented criminal landscape has prompted drug cartels to expand into fuel theft and extortion.
Mexicans went to the polls Sunday in what is being billed as the biggest elections in the country's history. More than 18,000 government posts are up for grabs in Sunday's vote, ranging from local governments to the presidency.