Ukraine said on Thursday the war in the east of the country had hit its fiercest level yet as it urged Western allies to match words with support against invading Russian forces. Moscow’s troops pushed into the industrial Donbas region after failing to take the capital Kyiv, closing in on several urban centres including the strategically located Severodonetsk and Lysychansk. Russian forces also shelled Ukraine’s second city Kharkiv, killing seven people, after Moscow’s efforts to capture the north-eastern hub were repelled by heavy battles early in the war. Britain and Germany both said on Thu…