The Mexican Town 'Governed by Gangs' Goes to the Polls

The journey from Mexico City to Guerrero state in south-western Mexico is particularly stunning at this time of year.
For several hours, you cut through mountains that look greener than usual because of the rainy season.
Guerrero's foothills are home to much of Mexico's illegal poppy and marijuana production, the source of a large part of the violence seen in the state today.
Locals believe that the two big political parties in the town of Chilapa located in Guerrero State - the PRI and the PRD - work closely with the gangs.
Reporter Katy Watson of BBC News spoke to people in the town of Chilapa who said they had to vote for the political party connected with the gangs who ran their community. If not, they were in danger of reprisals.