After the fall of Severodonetsk, fighting in eastern Ukraine has mainly focused on its twin city, Lysychansk- the last remaining Ukrainian stronghold in Luhansk province. Luhansk’s governor has said Lysychansk is now surrounded by Russian forces, who are...

Ukrainian troops are battling to remain in control of the city of Lysychansk, in the face of a determined Russian assault.

A commander of an elite unit of Ukrainian marines has told Sky News the majority of his best trained troops have been injured or killed. Speaking near the frontline, south of the city of Severodonetsk, company commander Oleksandr said a core of experienc...