The U.S. and the EU are set to unveil new sanctions on Russia this week, after allegations from Ukraine of potential war crimes against civilians by Russian forces galvanized a push for tougher measures against the Kremlin.

On Tuesday, the European Commission, the EU’s executive arm, proposed broad new sanctions on Russia, European officials said, including a ban on imports of Russian coal, slashing the access of Russian road and shipping goods carriers into the bloc, targeting oligarchs and their families and blocking some machinery exports.