An official told CNN that input from the likes of India, China, and others in 2022 "may have had some effect" on Russia's thinking.
The high casualty rate was likely due to "Russia's commitment to mass and attritional warfare," the UK Ministry of Defence said.
More than 400 Ukrainian athletes have been killed in the war with Russia, officials say.
The commander in chief of the Armed Forces of Ukraine said the move aimed "to avoid encirclement and preserve the lives and health of servicemen."...
The Sports Committee of Ukraine has created a "requiem" for those athletes who have lost their lives in the conflict.
Ukrainian pilots training on US F-16 fighter jets are praising the multi-role jet fighter.
Members of Ukraine's 82nd Air Assault Brigade praised the UK-supplied Challenger 2 tank for giving them a fighting advantage against Russian forces.