Ukraine and its European allies are stunned and scrambling to adapt to the new approach from the United States. In the three years since Russia launched its full-scale invasion, Ukraine has lost swaths of land,

Ukraine enters the fourth year of all-out war with Russia on Monday, unsure it can rely any longer on its staunchest ally the United States as its exhausted troops fight to hold their ground against unrelenting enemy advances.

Three years to the day since Vladimir Putin's forces began their full-scale invasion of the country, Ukrainians tell of their fears and hopes for the future.

As the administration in Washington grows critical of Ukraine, hundreds waving flags filled the Wrigley Building plaza downtown Saturday to call for an end to the war.