Meanwhile, Russian president Vladimir Putin had a "substantial" phone call with French president Emmanuel Macron on the Iran-Israel conflict and Ukraine, the Kremlin said on Tuesday, the first such exchange between the two leaders since September 2022.

The Pentagon halted arms shipments to Ukraine, including Patriot missiles, after Trump’s top defense official warned U.S. stockpiles had dropped to critical levels.

Ukrainian President Volodymyr Zelensky met US President Donald Trump at last month's Nato summit The US has halted some weapons shipments to Kyiv, the White House has said, as Russia's war against Ukraine has intensified.

Russian authorities said at least three people were killed as Ukraine claimed an attack on a military plant in the city of Izhevsk.

A video posted on social media and verified by the BBC showed an explosion on the roof of a factory building Three people have been killed and 45 injured following an attack by Ukraine on a factory in the city of Izhevsk - more than 1,