The men were kidnapped by a group of gunmen who arrived at the ministry in a long convoy of white sports utility vehicles, which are often used by police, the official said on condition of anonymity because he was not authorized to speak to the media.
Police have been accused of involvement in violence here in the past.
Putin's official spokesman Dmitry Peskov commented on remarks in the US media about failures in launching nuclear-capable missiles in Russia
The Buk system that shot down MH17 belonged to the 53rd SAM missile brigade of the Russian Ministry of Defense, investigators say after looking at a few pictures on the net
It has long been understood that the West has been trying to subject Russian borders to total control. We have not seen such activity even during the Cold War