Washington's suspension of military assistance will not lead to a sudden collapse of Ukraine's defensive lines, but it could have a real impact on the war within months, undermining air defences and precision strike capabilities in particular.

President Donald Trump has ordered that the US suspend military aid to Ukraine as he seeks to pressure President Volodymyr Zelenskyy to make concessions in peace talks with Russia.

Ukrainians expressed alarm and apprehension at a U.S. decision to pause military aid that is critical to their fighting Russia’s invasion.