Lebanese fear attacks from Syria
There is a growing fear that the conflict in neighbouring Syria will spill over into Lebanon, and that has left some communities taking up arms themselves.
Lebanon is expected to sign a long-awaited $3bn arms deal with Saudi Arabia and France - an agreement which is designed to help the Lebanese army in its fight against Sunni militants.
BBC's Carine Torbey went to the Lebanese border town of Ras Baalbeck.