Donald Trump’s decision to pause American military aid to Ukraine's Volodymyr Zelenksyy is handing Russia's Vladimir Putin the upper hand, experts warn.

Hours after the U.S. suspended military aid for Ukraine, the European Union proposed a $158 billion fund to bolster military spending and support Kyiv.

Ukraine has depended on a lifeline of arms from the United States since the day after Russian troops crossed the border in February 2022, when the Biden administration authorized $350 million worth of arms from the Defense Department’s stockpiles for Ukraine.