Putin told Trump during the call that Russia won’t back down from its goals in Ukraine, according to Yuri Ushakov, a close adviser to the Russian president, despite the U.S. leader’s calls for a speedy end of the conflict.

U.S. President Donald Trump said on Wednesday after talks with Ukraine President Volodymyr Zelenskiy that he is considering sending more Patriot missile batteries to Ukraine to help Kyiv fend off Russian attacks.