Initially Facebook's live video feature will be available only to a small percentage of people in the U.S. and will be limited to iPhones.

Turkey has not flown any coalition air missions in Syria against Islamic State since the Nov. 24 incident, two U.S. officials said.

Russian jets hit targets in Syria's Aleppo, Idlib, Latakia, Hama, Homs, Raqqa and Deir ez-Zor provinces, the Defense Ministry said.

Last month, 20 people, including one American, were killed in an attack on a luxury hotel in Bamako, Mali, claimed by two Islamist groups.

In Wardak province, eight people were killed and two wounded Friday in fighting between army troops and Taliban militants.