At least one protestor died and a dozen others injured in clashes in Tripoli, the country's second largest city, late Monday.
Anger over the crash of Lebanon's national currency that sent food prices soaring led to street violence. Protests were witnessed in the capital Beirut, and the city of Sidon as well.
The Arab League, in a statement, expressed its deep concern regarding "the accelerating developments on the Lebanese scene."
Anti-government protests are continuing in Lebanon since last October, calling for economic and social reforms, an overhaul of the ruling class and an end to corruption.
The movement had led to the resignation of premier Saad Hariri, despite introducing cuts to spending.