Ukraine will ask the EU next week to consider big new steps to isolate Moscow, including seizing Russian assets and bringing in sanctions for some buyers of Russian oil, as U.S. President Donald Trump has backed off from tightening sanctions.

This article explores whether the European Union still possesses the necessary sanctions to significantly impact Russia's economy and policy decisions.

A Ukrainian white paper calls for EU members to take a more aggressive and independent position on sanctions as Washington's role becomes uncertain.