German Economy Minister Robert Habeck accused Russia on Thursday of using energy as “a weapon”, after Moscow slapped sanctions on Western energy firms and slowed gas flows to Europe. “It has to be said that the situation is coming to a head, in such a way that the use of energy as a weapon is now being realised in several areas,” Habeck told reporters in Berlin. Ukrainian Foreign Minister Dmytro Kuleba, on a visit to the German capital, said Moscow had shown itself to be an unreliable supplier. Kuleba urged Europe to end its heavy dependence on Russian gas that was helping to finance Moscow’s war machine. “This energy oxygen for Russia must be turned off and that is especially important for Europe,” Kuleba said at a joint press conference with Habeck. “Europe must get rid of this complete dependence on Russian gas, since Russia has shown… that it is not a reliable partner and Europe cannot afford that.”