Pushing ahead with controversial 'fracking' schemes could help reduce Russia's leverage over Europe, William Hague has suggested.
The Foreign Secretary urged a broader energy mix as he insisted nations should not "run scared" of Moscow's "bullying behaviour" in Ukraine.
The intervention - in an article for the Sunday Telegraph - came amid continuing tensions in Crimea, where pro-Russian forces have been storming Ukrainian military sites.
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The German chancellor warned the times in which the EU "can fully count on others are somewhat over" in the face of US divisions and Brexit.