Russian officials accuse Kyiv of carrying out attacks, which come after 18-hour aerial barrage across Ukraine kills 39 civilians
Shelling in the centre of the Russian border city of Belgorod killed 10 people and injured 45 more on Saturday, emergency services said.
Russian officials accused Kyiv of carrying out the attack, which took place the day after an 18-hour aerial Russian barrage across Ukraine killed at least 39 civilians.