Yeh that plane either got blown out of the sky by somebody’s military or its sitting on an airstrip in a rogue country.
or ...
http://www.mk.ru/incident/article/2014/04/07/1010283-MH370
You'd need to translate Russian article to English.
According to unverified reports published in Russian news website, the missing Malaysian Airlines plane was hijacked by a terrorist name 'Hitch' and the plane is in Afghanistan not far from Kandahar near the border with Pakistan.
You can google "terorrist hitch" or click http://lmgtfy.com/?q=terrorist+hitch
http://www.christianpost.com/news/mh-370
http://www.mirror.co.uk/news/world-news/mh370
http://www.mk.ru/incident/accident/article/2014/04/08/1010734