Lebanon army steps up Tripoli battle against militants -BBC

Since the fighting first broke out in Syria, the fear has been that it would spread into Lebanon, where Shi’a-Sunni tensions already run very high. despite a few incidents, the country has been able to hold together. The current IS crisis, however, is putting the political system under increasing strain.

http://www.bbc.com/news/world-middle-east-29778462