The EU agreed to provide visa waivers for Ukrainians last month after weeks of stalling, but the decision has not gone into effect. "To delay further would be flagrantly unfair as Ukraine has paid a high price," Poroshenko told foreign ambassadors to Ukraine on Monday. "More unreasonable delays would undermine Ukrainians' faith in Europe. This is exactly what Russia wants," he said, adding that Ukraine's EU Association Agreement also should be ratified. "We are all witnesses to efforts to build a new iron curtain and it is today's Russia that is building it," Poroshenko said.