The U.S. is lobbying countries around the world to oppose a resolution brought forward at the U.N. General Assembly by Ukraine and European countries.

In a war dominated by the unexpected, few imagined Ukraine’s fourth year at war would so firmly now question the security of all of Europe.

Russian President Vladimir Putin said on Monday that Russia was not opposed to Europe's involvement in Russia-U.S. peace talks aimed at settling the conflict in Ukraine, but noted that Brussels had long rejected any dialogue with Moscow.