The Russia-Ukraine crisis could last decades, the former secretary general of NATO has warned, telling CNBC that the West should consider arming the Ukrainians in a fight that is "part of a bigger Russian master plan."
Russia's War Against Ukraine
CNBC: Former NATO head Rasmussen says West must consider arming Ukraine (VIDEO)
Ukrainian servicemen upon an Armoured Personal Carrier (APC) patrol through the small eastern Ukrainian city of Maryinka, Donetsk Oblast, on June 5.
