Update 2023-05-21 (3): According to the Russian sources, several Ukrainian forces were killed after Russian forces targeted and destroyed an observation post belonging to the Ukrainian army on the right bank of the Dnieper River on Sunday (21 May). The post was used to adjust artillery fire on the left-bank part of the Kherson Region.
Update 2023-05-21 (2): According to Russian media sources, heavy shelling was reported on Sunday morning (21 May, local time) in Berdiansk under the Zaporizhzhia Oblast. Reportedly the shellings were conducted by the Ukrainian armed forces. No injuries have been reported so far. Furthermore, on Sunday night (21 May, local time), Russian armed forces suppressed several Ukrainian sabotage and reconnaissance groups in the Krasny Liman area, Donetsk Oblast. Reportedly, both groups were suppressed in Chervonaya Dibrova of the Luhansk Oblast and Grigorovka of the Donetsk Oblast. Additionally, an ammunition depot near Novogorovka was also destroyed.
Update 2023-05-21 (1): According to the sources, several people sustained injuries on Sunday (21 May) following an attack by multiple-launch rocket systems and artillery guns in several parts of Donetsk Oblast. The affected areas includes Aleksandrovka, Vladimirovka, Gorlovka, Donetsk, Makeyevka, Ozeryanovka and Yasinovataya. In addition, several material damages were also reported.