Police find the bodies of three activists who were supporting local farmers in the Mexican state of Guerrero. Five others remain missing.
A mob angry at the kidnapping and murder of 43 students torches the regional headquarters of Mexico's ruling Institutional Revolutionary Party (PRI) in Chilpancingo, Guerrero, and briefly holds a police commander hostage.
Hurricane Ingrid is due to make landfall in Mexico as the remnants of Tropical Storm Manuel causes heavy rain on the Pacific coast. So far, 21 people have died as a result of the two storms including 14 people in Guerrero state.