MOSCOW, 7 March. /TASS/. Two persons suspected of murdering politician Boris Nemtsov were detained on Saturday, head of the Russian Security Service (FSB) Alexander Bortnikov told reporters.
"As a result of the work done, we have detained today two people suspected of committing this crime - those are Anzor Gubashev and Zaur Dadayev," he said. "We have reported it to the president."
"We continue necessary operative and investigative work," he said.
The official said "at the order of President Vladimir Putin, FSB, the Interior Ministry and the Investigative Committee organised a joint group for investigation into this murder of Boris Nemtsov."
Nemtsov, a co-leader of the RPR-Parnas party, was gunned down on a bridge in central Moscow at a blank-point range several hundred meters away from the Kremlin minutes before the midnight of Friday, February 27. The authorities have opened a criminal case over "murder" and "illegal circulation of firearms." The investigators are pursuing several lines of inquiry, including a contract killing. On March 3, Nemtsov was buried at Moscow’s Troyekurovo cemetery.