WARNING - VIDEO CONTAINS GRAPHIC CONTENT<br/> <br />(ROUGH CUT ONLY - NO REPORTER NARRATION)<br/> <br />At least 32 people were killed and seven were injured in Mexico on Sunday (June 24) after the bus they were travelling in overturned on a wet road in the southwestern state of Guerrero, according to authorities.<br/> <br />Bodies of men, women and children were lined up and numbered as police gathered evidence and tried to identify the victims.<br/> <br />Police and emergency crews worked for hours at the accident scene, about a 2-1/2 hours drive southwest of Mexico City.<br/> <br />Many of the people inside the bus were reportedly wearing T-shirts emblazoned with the logo of Mexico's Labour Party (PT), a small grouping in Congress supporting leftist presidential hopeful Andres Manuel Lopez Obrador.<br/> <br />Mexico holds a presidential election on July 1.<br/> <br />Bus crashes and other road accidents are common on Mexico's main roads, causing hundreds of deaths a year.
