The United States has dismissed Russia’s attempt to blame Ukraine and the west for an antisemitic riot at an airport in Muslim-majority Dagestan. President Vladimir Putin accused Ukraine and “agents of western special services” after a mob descended on Makhachkala airport in Russia’s North Caucasus on Sunday evening in search of Jewish passengers on a plane that arrived from Israel. Maria Zakharova, the Russian foreign ministry spokesperson, said on Monday the riot was the result of a “provocation” orchestrated from outside Russia, with Ukraine playing a “direct and key role”. Earlier in the day, Dmitry Peskov, Vladimir Putin’s spokesperson, claimed...