The most intense military actions take place in Donetsk and Mariupol sectors; two Ukrainian servicemen were killed, another six were wounded since the morning of May 11.
Avdiivka and Luhanske (Donetsk sector) went under fire from 82 and 120 mm mortars; in Pisky, Novoluhanske and Novhorodske, militants opened fire from RPGs and small arms. Enemy IFVs opened fire in Mayorsk and Verknyotoretske.
In Mariupol sector, Mariinka, Krasnohorivka, Shyrokyne, Pavlopol, Chermalyk, Vodyane and Lebedynske went under fire.
In Luhansk region, Ukrainian troops repelled enemy attacks in Krymske and Valuiske.