Indie candidates also stormed to victory in key races in Jalisco, while the upstart leftist Morena movement made gains in Mexico City and in Congress. One man is killed in Guerrero.
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.