Putin flags ‘unacceptable’ terms in US plan amid renewed bid to end war

Key differences remain on borders and how Ukraine will be shielded from future attacks

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The heavily-bombed city of Myrnohrad in eastern Ukraine's Donetsk region

(AP)

RUSSIAN President Vladimir Putin says some proposals in a US plan to end the war in Ukraine are unacceptable to the Kremlin, indicating in comments published Thursday that any deal is still some ways off.

US President Donald Trump has set in motion the most intense diplomatic push to stop the fighting since Russia launched the full-scale invasion of its neighbor nearly four years ago. But the effort has once again run into demands that are hard to reconcile, especially over whether Ukraine must give up land to Russia and how it can be kept safe from any future aggression by Moscow.