Live: Deadly blasts in the Russian city of Belgorod. The fight for Lysychansk intensifies, Russia accuses Ukraine of mortal bombardments near the border.

Deadly blasts in the Russian city of Belgorod, near the Ukraine border, damaged dozens of homes, the regional governor said Sunday. Meanwhile, Kyiv acknowledged it could lose Lysychansk, its last big bastion in eastern Ukraine, to Russian forces. Follow the latest developments here on our live blog, updated regularly as the day's events unfold.