KYIV, Dec 8 – General Colonel Nikolai Tkachev, chief inspector of Russia's central military sector, was identified as a key figure in downing of MH17 Malaysian airliner over Donetsk region in July 2014, according to investigative report.

Bellingcat, a British investigative journalist agency, and the independent Russian e-magazine The Insider, have examined voice recordings and other data before making the announcement.