"I welcome the decision of the EU ambassadors to extend for half a year and expand the package of sanctions against Russia for the occupation of Crimea," he wrote on Twitter on Wednesday.

"The burden of "Crimea is ours" should become unbearably heavy until Ukraine's sovereignty over the peninsula is fully restored," he tweeted.

Read alsoTwo Dutch companies taking part in Kerch bridge construction projectAs UNIAN reported earlier, the Committee of the Permanent Representatives of the Governments of the Member States to the European Union (COREPER) on Wednesday decided to extend the sanctions against individuals and companies whose actions undermine the territorial integrity, sovereignty and independence of Ukraine.