Graham, a Republican from South Carolina, called on Twitter for someone in Russia to "take this guy out" - referring to Putin.Russia's Foreign Ministry protested to the U.S. ambassador in Moscow on Saturday over remarks by U.S. Senator Lindsey Graham advocating that President Vladimir Putin be assassinated.
It said in a statement that failure to unambiguously condemn the remarks and take concrete measures "will have a further devastating effect on Russian-American relations", already in tatters following Western sanctions against Russia over its invasion of Ukraine.