Without waiting for Washington, the European Union and the U.K. announced a new raft of sanctions against Russia.

The United States and its allies have imposed broad economic penalties on Russia over its war in Ukraine. As the conflict continues, experts debate whether the sanctions are working.

Russian forces in Ukraine have made only small territorial gains this year amid steady resistance from Kyiv’s military, undercutting President Vladimir Putin’s assertions that his army has gained the upper hand in the war.