Syria conflict: Army launches new Aleppo offensive

Syrian government forces backed by Russian air strikes have launched a fresh offensive against rebels south of the country's second city, Aleppo.

A military source told Reuters news agency that "hundreds" of troops from Hezbollah and Iran were also involved.
Control of Aleppo has been divided between government forces and various rebel groups since 2012.
The Syrian army has launched several ground offensives since Russia began air strikes two weeks ago.
Russia says it is targeting "terrorists", primarily jihadist militants from Islamic State (IS), but Western governments say many strikes have hit civilians and moderate rebel groups.
In a separate incident, Turkey said it had shot down a drone that intruded into its airspace near the border with Syria.
BBC Defence correspondent Jonathan Marcus says the aircraft in question seemed to be similar to military drones of Russian origin.
A US official said they believed the drone was of Russian origin, but Russia says that all their drones have been accounted for and that non had violated Turkish airspace.
Earlier this month Turkey accused Russian jets - which have recently joined the air battle against Syrian rebel group - of entering its airpspace.