CNN —Six people were killed and two injured by gunfire at a political campaign event in Chiapas, Mexico on Thursday, according to a statement from the state Attorney General’s Office. A preliminary investigation found that the deaths occurred after a confrontation between armed civilians during an electoral campaign event that was attended by a candidate for the municipal presidency of La Concordia for the Chiapas Popular Party, Lucero López Maza. However political violence has spiked across the country as Mexico heads toward its largest election in history on June 2. The Attorney General’s Office said three of the victims, one of whom was a minor, were women, and three men. Earlier this week, eleven people were killed in mass shootings in the neighboring municipality of Chicomuselo, the state prosecutor said.

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Persons: Lucero López Maza, López Maza, General’s Organizations: CNN, General’s, La Concordia, Chiapas Popular Party, Sinaloa Cartel, Jalisco New Locations: Chiapas, Mexico, Guatemala, Chicomuselo, Sinaloa, Jalisco