Russia says it foils Ukrainian plots to kill senior officers with disguised bombs
Russia detains suspect in Moscow bombing, says Ukraine used live video feed in deadly attack
What does North Korea get out of sending its soldiers to fight Russia's war?
Trump says it was 'stupid' for Biden to let Ukraine use US weapons to strike deeper into Russia
Ukraine kills Russian chemical weapons chief Igor Kirillov in Moscow
Ukraine and US say some North Korean troops have been killed fighting alongside Russian forces