A European official tells PBS NewsHour that Ukraine and its European allies will present

new edits to an American peace proposal by tomorrow.

The U.S. has been pursuing a solution to the war in Ukraine and recently highlighted those

efforts as part of its new national security strategy that shifts historic U.S. language

on Europe.

Nick Schifrin examines that document, but begins his report in eastern Ukraine, where

Kiev is struggling to hold the line.

In eastern Ukraine, it's a fight against time.

Soldiers patrol the city of Constantinivka, under siege and under nets, designed to protect

from Russian drones.

The battle is now street to street.

Nearby Russian soldiers post their own drone videos hunting Ukrainian positions.

32-year-old Dimitrio is, every soldier here, exhausted, but determined to resist military

and diplomatic pressure.

I count every centimeter of the motherland as important, and we don't plan to give

it up just like that.

Thirteen hundred miles away today, Western European leaders who share that determination rallied

around Ukrainian President Volodymyr Zelensky.

Last week, these leaders allegedly said in private the U.S. might betray Ukraine.

Today they tied their own security to Ukraine.

We are still and remain strongly behind Ukraine and giving support to your country because we all

know that the destiny of this country is the destiny of Europe.

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