PARIS, June 1 -- Russian President Vladimir Putin is stalling at the peace table while preparing a new military offensive in Ukraine, two senior U.S. senators warned Sunday, arguing that the next two weeks could shape the future of a war that has already smashed cities, displaced millions and redrawn Europe's security map.

Republican Sen. Lindsey Graham and Democratic Sen. Richard Blumenthal spoke to The Associated Press in Paris after meeting President Volodymyr Zelenskyy and touring neighborhoods shattered by what they called the worst Russian bombardments since the full-scale invasion began.

In Paris for talks with French President Emmanuel Macron - who they say is "100% aligned" with them on the war - the senators warned the window ...