Top 10 world news: Russia accused of bombing school sheltering hundreds in Ukraine and more
Ukrainian authorities said on Sunday that Russia had bombed a school sheltering 400 people in the besieged port of Mariupol, as Moscow claimed that it had again fired hypersonic missiles in Ukraine, the second time it had used the next-generation weapon on its neighbour. North Korea appeared to have fired a short-range multiple rocket launcher, South Korean military said on Sunday.