Since the war in Syria began three years ago, over a million Syrian refugees have settled in neighbouring Lebanon.
Their presence has given rise to economic and political tensions in the fragile country.
Things became worse when Islamic Group fighters kidnapped and beheaded several Lebanese troops on the border with Syria.
In response, some Lebanese have retaliated.
Al Jazeera's Rula Amin reports from Beirut.
Source: Al Jazeera