The president of Tajikistan condemned the Moscow concert hall attack in a call with Russian leader Vladimir Putin on Sunday, amid allegations the gunmen were Tajik citizens. Russian media, including Telegram channels with links to the security services, and a lawmaker have alleged that the four suspected assailants were Tajiks. Russian authorities have said only that four suspects arrested after Friday’s attack were foreign nationals, and Tajikistan has rejected the initial claims its citizens were involved. “Terrorists have no nationality, no homeland and no religion,” President Emomali Rahmo…