Russia on Wednesday struck a medical facility in Ukraine, injuring five people, including a 9-year-old girl, and causing extensive damage to the building, authorities said.

Ukraine said Wednesday it had assassinated a Russian officer responsible for war crimes, targeting him in a car bomb inside Russia.

A British man has been detained by Ukrainian security services and accused of spying for Russia. Prosecutors in Kyiv said the unnamed man had been passing information to Russian intelligence while working as a military instructor.

Ukrainian drones targeted oil depots in the city of Simferopol and the village of Hvardiiske in Russian-occupied Crimea overnight on Oct. 29, the Crimean Wind Telegram channel reported.

As Trump's plan to meet Putin is called off, Zelenskyy says another bloody night in Ukraine shows Russia isn't feeling "enough pressure for dragging out the war."

The question of whether Ukraine should fight against or negotiate with an aggressor has been there since Russia annexed Crimea in 2014. But more than three years after it launched its full-scale invasion, the war is entering a new phase, and that word has re-entered the global debate.

Ukraine's military reportedly struck an oil refinery as well as a chemical plant in Russia's western regions overnight on Oct. 29, Russian Telegram media channels reported.

Russian President Vladimir Putin is now believed to be more dug in than ever, according to a recent intelligence assessment.

Ukrainian President Volodymyr Zelenskyy says long-range strikes on Russian refineries have reduced Moscow's oil refining capacity by 20%.

Vladimir Putin has announced a successful test of a Poseidon nuclear-powered submarine torpedo which experts have warned is capable of causing a “radioactive tsunami”. The Russian president said the test of the weapon had been a “great success”,