France, Aug. 13 -- Ukrainian President Volodymyr Zelensky has called for a three-way meeting with US President Donald Trump and Russian President Vladimir Putin, following a video conference on Wednesday with Trump and European leaders ahead of Friday's US-Russia talks in Alaska.

Zelenskysaid Moscow should face tougher penalties if Putin refuses to agree to a ceasefire during his meeting with Trump.

"The US is ready to support us," Zelensky said, speaking after a video conference with Trump and European leaders. "If there is no movement towards a deal, we will need more pressure on Russia."

French President Emmanuel Macron said only Zelensky has the authority to discuss Ukraine's territorial boundaries.

"Territorial questions concerni...