Russia sharply escalated threats against Kyiv, warning of "systematic and consistent strikes" as Russia's top diplomat urged American citizens to evacuate the Ukrainian capital. A day after Moscow pummeled the Kyiv region with hundreds of drones -- and a powerful new hypersonic missile -- Foreign Minister Sergei Lavrov called US Secretary of State Marco Rubio on May 25 to advise him to pull American diplomatic staff and US citizens out of Kyiv. Russia has justified its increasing threats citing