"Since the Russians left, we have tried to provide humanitarian aid - mostly supplies from western Ukraine. But it has to be food that will keep. Most people still don't have any power or heat."
He said Ukraine was still prepared to negotiate with Russia. "Ukraine deserves peace," he told the BBC. "We can't live with war. Every day our army is fighting, but we don't want the lives of millions to be lost. That's why we have to have dialogue with Russia."
