Tillerson urges Moscow to take 'first step' to ease Ukraine conflict

US Secretary of State Rex Tillerson urged Russia Sunday to take the "first step" to ease the bloody separatist conflict in eastern Ukraine, which Kiev and the West believe is being fuelled by Moscow.Tillerson said sanctions will remain in place against Russia "until Moscow reverses their actions"."It is necessary for Russia to take the first step to de-escalate the situation in the east part of Ukraine," Tillerson said as he made his first visit as Washington's top diplomat to Kiev.