Some 3,400 Tajik migrant workers have not been allowed to enter Russia and turned back to Tajikistan from Russian airports over the last six months, the director of the Tajik Civil Aviation Agency, Habibullo Nazarzoda, told reporters on July 24. According to Nazarzoda, Tajik citizens were not allowed to enter Russia due to alleged problems with their documents. Since Russia arrested several Tajik nationals suspected of being involved in a terrorist attack at an entertainment center near Moscow that left more than 140 people dead in late March, Tajik migrant workers have faced increased restrictions inside Russia and when traveling to Russia. To read the original story by RFE/RL's Tajik Service, click here.