By Emma Farge GENEVA (Reuters) -The United Nations and other aid organisations in Ukraine said on Monday that Russia firing missiles at cities across the country had disrupted their humanitarian work on the ground. Russia hit sites across Ukraine, striking Kyiv with an intensity not seen since Russian forces sought to capture the capital early in the more than seven-month war. Moscow says the strikes were against energy, command and communication targets in retaliation for what it describes as terrorist attacks. “The wave of attacks, claimed by Russia, has… impacted humanitarian operations a…