President Volodymyr Zelenskyy met with President of the European Council António Costa in Krakow and discussed with him the expected 16th package of EU sanctions against Russia, as well as possible sources of financing for the Ukrainian defense industry, the press service of the head of the Ukrainian state said. "We need to continue to put pressure on Putin, and sanctions are one of the really strong tools. I would like to discuss with you how to increase this sanctions pressure," Zelenskyy said.