A Mil Mil-8 helicopter operated by Utair carrying 20 persons crashed on landing near Omsk, central Russia, resulting in the injury of four occupants. The Omsk Oblast region is involved in the oil and gas industryLink:
http://www.upi.com/Top_News/World-News/2012/11/17/Four-injured-in-Russian-helicopter-crash/UPI-30921353163493/ 2,500 Km away in Ivanovo, another Mil helicopter - a privately owned Mil Mi-2 "warbird" helicopter - NATO designation "Hoplite" crashed near the village of Oktyabrsky. 2 persons on board were killed. Link:
http://en.ria.ru/russia/20121118/177552474.html
http://www.upi.com/Top_News/World-News/2012/11/17/Four-injured-in-Russian-helicopter-crash/UPI-30921353163493/ 2,500 Km away in Ivanovo, another Mil helicopter - a privately owned Mil Mi-2 "warbird" helicopter - NATO designation "Hoplite" crashed near the village of Oktyabrsky. 2 persons on board were killed. Link:
http://en.ria.ru/russia/20121118/177552474.html