Lebanon's prime minister Najib Mikati has resigned, he has announced.
Mikati has been frustrated in recent weeks at the failure of the government to agree a strategy for the ongoing public sector strikes and the failure to renew the term of Internal Security Forces (ISF) head Major General Ashraf Rifi.
Mikati said he hoped his resignation would lead to a "gateway" to a solution.
He formed a government in June 2011, having been nominated as prime minister in January that year.
Shortly after the resignation, there were reports of fresh clashes in the northern Lebanese city of Tripoli.