Now that the uprising in Syria has turned into a heavily armed conflict, many in the region are worried that the violence will spread beyond its territory.
Syria borders Iraq, Turkey, Jordan and Israel, as well as Lebanon, where clashes erupted last Friday in the northern coastal city of Tripoli.
Sunni Muslims in one Tripoli neighborhood began protesting against Syrian President Bashar Assad. They put up a huge banner on the side of a mosque that had a picture of Assad, wearing a military uniform, with a big red X across his face.