Tajikistan has protested to Moscow over what it says is the unfair treatment of its citizens in Russia, pointing to around 1,000 Tajik nationals stranded at Moscow’s Vnukovo airport ‘without the provision of appropriate sanitary conditions’ and hot meals. The Central Asian country’s foreign ministry on April 29 summoned Russia’s ambassador to Dushanbe to register a protest over the situation in what amounts to a rare public dispute between the post-Soviet allies. Concerns about xenophobia faced in Russia by Central Asian migrant workers and visitors have mounted since the March 22 terrorist at…