UN Secretary-General Antonio Guterres and the UN’s top human rights official warned Thursday that the war in Ukraine risks dangerous escalation, urging both sides to return to negotiations after one of the heaviest recent waves of Russian missile and drone attacks on Kyiv, AFP reported. The appeals came days after one of the worst combined missile and drone attacks on Kyiv since Russia launched its full-scale invasion of Ukraine more than four years ago. JOIN US ON TELEGRAM Follow our coverage