The National Anti-Terrorism Committee said in a statement that troops from the Federal Security Service, or FSB, arrested Yulai Davletbayev in suburban Moscow this morning.
Russian TV showed images of special forces arresting a man identified as Davletbayev. It was not clear when or where the operation took place.
Two suspected militants were killed and a third arrested in an FSB operation in May. The men were Russian citizens trained in terrorist camps on the Afghanistan-Pakistan border, the committee said.
