. >> president enreyay peÑa nieto, who has been criticized at home and abroad for the investigation ofthe disappearance has promised to help his people. >> we have arrest everyone who participated in these abominable crimes. >> hours after the attorney general spoke the parents of the students held their own press conference and refused to believe that their children are dead. >> i know and trust in god that they are alive. they said many times that they are dead, but we have faith that they are alive. >> they're insisting on scientific proof, and independent experts from argentina analyze the dna. those dna samples have been shipped off to austria. they'll likely take days if not weeks for the results to come back because of the state in which those remains were found. racial levin, al jazeera, mexico city. >> after almost a year of fighting south sudan's president and his former vice president turned rebel leader have finally reached a compromise. the two warring sides met in the ethiopian capitol and agreed to an immediate cease-fire. >> an unconditional, complete and immediate end