The journalist argues that the worst-case but unlikely scenario, the current blockade of Crimea could prompt more Russian intervention through its proxy forces in Donbas, according to Ukraine Today.

MacDonald also gives his views on the role of volunteer battalions within regular army structures.

Interview recorded at The Tiger Conference 2015, organized by the Kyiv Post.

See’s video section for more of the latest news from Ukraine in video from Ukraine Today, Ukraine’s 24-hour English-language news channel.