Beirut has been experiencing some of the worst street fighting and sectarian clashes since Lebanon’s 15-year civil war. Richard Engel, NBC News’ Chief Foreign Correspondent, explains what sparked the outbreak of violence and what the...

After ripping through the Middle-east from its core, Islamic sectarian clashes appears to be moving towards south Asia, as a week long sectarian violence between Sunni and Shiite Muslims has left at least 49 people dead and about 100 injured in...