President Barack Obama has authorized sending some US weapons to Syrian rebels for the first time.
White House concluded in a statement Thursday that the Syrian government had used chemical weapons against rebels, a major move that signals deeper US involvement in the Syrian conflict.
The Obama administration estimates that 100 to 150 people have died from chemical weapons attacks in Syria.
Israel is putting forward a plan to build 500 new housing units in the Jewish settlement of Bruchin in the West Bank, a move Palestinian officials blamed for "destroying US Secretary of State John Kerry's efforts to revive peace talks."
The Obama administration on Wednesday announced eased sanctions on the Syrian opposition, just as the United States and Britain were holding discussions on more efforts to aid the rebels in their fighting against the government troops.
Riot police stormed Istanbul's protest square on Tuesday, firing tear gas and rubber bullets at firework-hurling demonstrators in a fresh escalation of unrest.
Bombers attacked a Damascus police station on Tuesday, killing at least 14 people in the heart of the capital as President Bashar al-Assad's army fought rebels in their strongholds in the east and north of Syria.
They are young, urban and well educated, and for the past week they have been sleeping in an Istanbul park: meet the women on the frontline of Turkey's mass anti-government protests.
The UN Higher Council for Refugees (UNHCR) said Sunday that the number of Syrian refugees in Lebanon has surpassed 511,000, marking an increase of 11,000 in a week.
The Syrian troops on Saturday dislodged the armed rebels from their last stronghold in the countryside of the al-Qussair city in the Homs province.
Turkish police used tear gas to disperse about 5,000 anti-government protesters in the Turkish capital of Ankara on Saturday night as the nationwide protests entered the 12th day.
Iranian presidential candidates are divided over the country's foreign policy in their third and final televised live debate on Friday.