Russia's embassy in Kiev comes under a hail of missiles as protesters vent their anger against Moscow's backing of separatist rebels in east Ukraine.<br/> <br />They hurled bricks, stones and eggs at the building.<br/> <br />Some witnesses said the Russian flag was ripped up.<br/> <br />Several cars which appeared to belong to the embassy were overturned and a metal gate was damaged.<br/> <br />There was no attempt by Ukrainian police to intervene.<br/> <br />The assault came as Ukraine's president promised tough action against pro-Russian rebels who shot down an army transport plane on Saturday.<br/> <br />All 49 servicemen on board were killed.<br/> <br />The plane was hit by an anti-aircraft missile at it came in to land at Luhansk airport near the Russian border.<br/> <br />It's the biggest toll suffered by Ukraine's government in a single incident since the conflict began.<br/> <br />A day of mourning's been announced.<br/> <br />The violence comes as talks continue ahead of Monday's deadline for Russia to cut off Ukraine's gas s
