A helicopter belonging to the Russian intelligence service has crashed in Russia, according to an official.
Three people were killed in the incident near Krasnoye Pole, Chelyabinsk region, said governor Alexey Teksler.
Authorities believe a technical failure caused the crash, reported RIA Novosti, a Russian state media outlet.
A source told Tass, another state news organisation, the helicopter crashed in a forest, killing everyone on board.
