Dushanbe [Tajikistan], March 30 (ANI): Nine people have been detained by Tajikistan’s state security service over their suspected contact with perpetrators of last week’s attack by gunmen on a suburban Moscow concert hall, Al Jazeera reported, citing Russian state media, on Friday. “Nine residents of the Vakhdat district were detained for contact with the persons who committed the terrorist attack at Crocus City Hall on March 22,” the RIA Novosti news agency reported on Friday, citing information from an unnamed source in Tajikistan’s special services, who said that Russian security forces wer…