Syria war: Russian helicopter shot down, killing five on board

Five Russians on board a military helicopter were killed when it was shot down by rebels in northern Syria, Russia has said.
The Mi-8 transporter came down in Idlib province. It was carrying three crew and two officers, Russia's defence ministry said.

The helicopter was returning from delivering humanitarian aid to the besieged city of Aleppo, it said.

It is not clear which group brought the helicopter down.

An alliance of rebel groups, including hardline jihadist factions, is the dominant power in Idlib.

Russia has previously, though seldom,...