Israel also fired ground-to-ground rockets from the Israeli-occupied Golan Heights, but the Syrian defences brought the missiles down, the Syrian army said.
The number of registered Syrian refugees in Lebanon has dropped to below one million for the first time since 2014, the United Nations told AFP on Tuesday.
The leader of Lebanon's Hezbollah group, Sayyed Hassan Nasrallah, said the group and its allies in the region would renew their focus on the Palestinian cause after what he called their victories elsewhere in the region.
Lebanese security forces fired tear gas and water canons at protesters near the US Embassy in Lebanon on Sunday during a demonstration against President Donald Trump's decision to recognise Jerusalem as the capital of Israel, TV footage showed.
Lebanese Prime Minister Saad Hariri said on Tuesday that he had withdrawn his resignation, a month after his shock announcement that he was quitting sparked political upheaval.
A teenage Syrian refugee won a prestigious international prize on Monday for building a school and providing an education to hundreds of children who fled to Lebanon to escape the conflict.
People and municipalities have resorted to burning garbage in Lebanon as a result of government mismanagement and it may badly damage the health of nearby residents, Human Rights Watch said on Friday.
Walid Jumblatt also condemned Iranian "dictates", an apparent response to a statement by the commander of the Iranian Revolutionary Guards this week that disarming of the Hezbollah was out of the question.
Saad al-Hariri attended independence day celebrations in Beirut on Wednesday after returning to Lebanon for the first time since resigning as prime minister in a broadcast from Saudi Arabia.