At least 12 killed in Russian drone attack on passenger train

Russian forces continued their attacks across Ukraine on Tuesday, killing at least 12 people, hitting energy infrastructure and striking a passenger train, just days after US-brokered talks in the United Arab Emirates aimed at ending nearly four years of war. The strikes left millions without power, injured civilians and prompted Ukrainian President Volodymyr Zelensky to warn that the bombardment was undermining ongoing peace efforts. Follow our liveblog to see how the day's events unfolded.