Ukrainian Foreign Minister Dmytro Kuleba has called on the foreign ministers of Poland, France and Germany to increase sanctions pressure on Russia to stop its war crimes in Ukraine and provide Ukraine with more weapons, financial and humanitarian assistance.

"Met online with Foreign Ministers of the Weimar Triangle of Poland, France and Germany. I urged to step up sanctions pressure on Russia to make it stop its war crimes in Ukraine, and provide Ukraine with more weapons, financial and humanitarian support," Kuleba said on Twitter Tuesday.