- Summary- UN aid work hampered by attacks, especially in east- ICRC and Norwegian Refugee Council pause field work on Monday- Both cite security fears after Russian missile attacks- Operations continue, field work expected to resumeGENEVA, Oct 10 (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.Register now for FREE unlimited access to Reuters.com"The wave of attacks, claimed by Russia, has... impacted humanitarian operations across Ukraine, particularly hampering the movement of aid workers and delivery of emergency supplies in the east of the country, where people are in desperate need of assistance," the U.N. humanitarian office said in a report."We cannot aid vulnerable communities when our aid workers are hiding from a barrage of bombs and in fear of repeated attacks," said Jan Egeland, secretary general of the NRC.Hopefully we can start work again even as early as tomorrow," he later told Reuters in an interview, saying he was worried about the impact of the disruptions on the elderly, many of whom are too weak to seek refuge elsewhere."