reporter: voronezh, five hours by car from the russian capital moscow. it's traditionally a student city. young people come here from all over the world. 2000 came in 2015 alone. but student life in this shared apartment on the outskirts of the city will be coming to an end. two of the turkish flatmates might have to leave russia in a few days. on one of their last evenings together, ugur and his friends look back on their three years in russia -- and talk about how everything changed a few weeks ago when they were declared enemies of the state. >> one of my friends was kicked out of his apartment, just because he was turkish. others had to leave the university. another friend was detained by police. they threatened him and took his money. now, we're living in fear. fear that we will have to leave the country. for whatever reason. the authorities will find a reason. reporter: all of a sudden, they feel powerless, the students say. they add there have been attempts to intimidate them. >> they called us and said they should be able to know where we are. ev