Russian President Vladimir Putin does not want to end the war in Ukraine, Donald Trump has said as he raised the prospect of more sanctions on Russia. The U.S. president told reporters aboard Air Force One that he was "very unhappy" with his earlier phone call with the Russian leader as Moscow said it would continue to pursue its war aims.

The world leaders spoke on the phone for the sixth time since Trump's return to presidency as the topics of Ukraine and Iran were high up on the agenda

Putin call comes after the U.S. said it would halt some weapons shipments to Ukraine, which continues to fight off invading Russian forces.