Today's headlines, in 60 seconds, From the South (HD): MEXICO: A massive march sets off in Iguala for Mexico City, for the 43 missing students. ARGENTINA: President Fernandez was hospitalized yesterday with an infectious fever. UKRAINE: Independence leader Alexander Zakharchenko won Sunday's elections in Donetsk with 70% of the votes. U.N.: The inter-governmental panel on climate change warns that time is running out to avoid a potential environmental catastrophe. IRAQ: Islamic state militants killed at least 322 members of a Sunni tribe last week. USA: With midterm elections set for Tuesday, President Barack Obama's democratic party faces a difficult electoral race.