Paolo Alli / Open Sources

"I am proud and humbled at being entrusted with such a great responsibility and let me assure you that I am acutely aware of the difficult and challenging times we are facing," he told the lawmakers; part of the body linking the world’s biggest military alliance to the citizens of member and partner countries, the report reads.

Read alsoPutin explains why Russia reacts to NATO expansion with concernAlli was a coordinator of interparliamentary ties between Italy and Ukraine, while some media called him a Ukraine sympathizer.

As UNIAN reported earlier, NATO PA Political Committee had recognized Russian aggression against Ukraine the main factor of regional destabilization.

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Given Russia's continued illegal occupation of Ukraine's Crimea and continued aggression in eastern Ukraine, lawmakers said it was no time to relax Western sanctions. "The sanctions need to be re-affirmed, if not strengthened," said Congressman Gerald Connolly, acting head of the U.S. delegation. "The message to Vladimir Putin must be strong and must be collective and must be reaffirmed."