U.S. President Donald Trump's decision to ramp up arms shipments to Ukraine is a signal to Kyiv to abandon peace efforts, Russia said on Thursday, vowing it would not accept the "blackmail" of Washington's new sanctions ultimatum.

As Trump demands a deal to end the Ukraine war in 50 days, Russia's deputy foreign minister says "demands, especially ultimatums, are unacceptable."

President Trump has effectively handed Vladimir Putin an extraordinary green light: 50 days to finish off his brutal summer offensive in Ukraine before facing any consequences.

President Donald Trump may have expected a Russian shudder of fear to greet his threat of “very severe tariffs” on the country if it didn’t agree a ceasefire in Ukraine.

More than a dozen countries stand in the crosshairs of Trump's threat to impose 100% tariffs over their economic ties to Russia.

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.

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