Security forces surround damaged vehicles in a village in Polho, Chiapas, southern Mexico, where seven people were killed in an armed attack related to land disputes between Indigenous communities. The victims are displaced indigenous Tzotzil people according to a statement from the state prosecutor's office. The attack was aimed at the group of more than 200 people who have been forced to leave their homes since last October because of an internal agrarian conflict. IMAGES AND SOUNDBITES