"Neither Russia, nor the detainees bear any relation to the attempt at Yandarbiyev," Ivanov told journalists.
According to him, the Russian side announced this to Qatar's authorities via many channels, first of all diplomatic.
Journalists asked Igor Ivanov what special services the detainees work in. "All the Russian special services, as well as special services all over the worlds, are involved in the fight against international terrorism," Ivanov said.
"Special services of all countries are collecting and processing information and for the effective fight against international terrorism. This work is absolutely legal," the minister said.