Russian officials and commentators have shown little indication that Moscow is about to change course under new pressure.

President Donald Trump is downplaying the possibility of sending Ukraine long-range weapons as Kyiv awaits an injection of U.S. weaponry that it hopes will help it beat back an intensifying Russian air offensive.

Russia continued its nightly bombardment of Ukrainian cities overnight into Tuesday, after President Donald Trump said the U.S. would send military equipment to Kyiv.

Trump said the United States would put secondary tariffs on countries that do business with Russia if a peace deal is not reached in 50 days.

Russia launched 400 Shahed and decoy drones, as well as one ballistic missile, during the night, the Ukrainian air force said. The strikes targeted northeastern Kharkiv, which is Ukraine’s second-largest city, President Volodymyr Zelenskyy’s hometown of Kryvyi Rih in central Ukraine, Vinnytsia in the west and Odesa in the south.

Trump's moves underline his growing disenchantment with Russian President Vladimir Putin over the lack of progress in U.S.-led efforts to secure a ceasefire.

Pentagon officials said details were still being worked out, and experts doubted Mr. Trump’s threat of huge tariffs for Russian trading partners.

Donald Trump’s remarks on Ukraine on Monday were far from the biggest announcement the US president could have made. The good news for Kyiv is familiar. Trump has permitted NATO’s other members to buy American arms – a wide range of them,