Family members of the 43 forcibly disappeared Ayotzinapa students began a 43-hour hunger strike in Mexico City as part of protests building to Saturday's mass demonstration marking the first anniversary of the tragic events. They will be joined by four members of the Inter-American Commission on Human rights' team of experts in a meeting with President Enrique Peña Nieto later today. They are expected to ask Peña Nieto to open new lines of investigation in the case. Clayton Conn reports from Mexico City. teleSUR