Ukraine marks 40th anniversary of Chornobyl disaster under cloud of war

Ukraine is commemorating the 40th anniversary of the Chornobyl nuclear disaster on Sunday amid lingering fears that Russia's four-year-old war could spark a repeat of the world's worst nuclear disaster.

Ukraine marks 40th anniversary of Chornobyl disaster under cloud of war

Ukraine is commemorating the 40th anniversary of the Chornobyl nuclear disaster on Sunday amid lingering fears that Russia's four-year-old war could spark a repeat of the world's worst nuclear disaster.