Protesters burned ballots and attacked polling places in Guerrero, Oaxaca, and Chiapas. Exit polls were suggesting tight races in key state governor races, including Nuevo Leon, where indie candidate "El Bronco" was pulling ahead.
Yakiri Rubio, 21, made headlines for stabbing a sexual attacker 14 times. Now she wants to be a representative for the tough Mexico City barrio of Tepito. "I know the party is using me to get more votes," she tells us.