(BuzzFeed News)- Officials with Syrian rebel battalions that receive covert backing from one arm of the U.S. government told BuzzFeed News that they recently began fighting rival rebels supported by another arm of the U.S. government. The infighting between American proxies is the latest...

Syria's opposition on Saturday said it had agreed to the "possibility" of a temporary truce, provided there were guarantees Damascus's allies including Russia would cease fire, sieges were lifted and aid deliveries were allowed country-wide. But there was no immediate sign that...

Turkey's presidency said U.S. President Barack Obama had shared his concerns over the Syrian conflict and promised his support on Friday, hours after a tense exchange between the two NATO allies over the role of Kurdish militants. In a phone conversation that lasted one hour...

Syria's opposition on Saturday said it had agreed to the "possibility" of a temporary truce, provided there were guarantees Damascus's allies including Russia would cease fire, sieges were lifted and aid deliveries allowed country-wide. Russian airstrikes began last September and turned the...