A new wave of deadly Russian attacks on Ukrainian cities is fueling bipartisan calls in Washington for US President Donald Trump to use sweeping new sanctions powers against Moscow, with lawmakers arguing that greater economic pressure could strengthen efforts to end the war.

The death toll from Russia’s jet-powered drone attacks mounted in Ukraine while Ukrainian President Volodymyr Zelenskyy warned that the Kremlin is preparing for a new mobilization at home and a fresh deployment of 10,000 North Korean troops.