Photo from the Ministry of Defense of Ukraine

Russian-led forces mounted 42 attacks on Ukrainian troops in Donbas in the past day.

Read alsoJFO: Russian-led forces mount 63 attacks on Ukraine army in Donbas in past day

"Thanks to 'active defense', the Ukrainian units managed to kill one militant, while three others were wounded," the press center of Ukraine's Joint Forces Operation (JFO) said in an update on Facebook as of 07:00 Kyiv time on May 15, 2018.

No casualties are reported among the Ukrainian military.

The occupiers opened fire near the town of Zolote, and the villages of Novozvanivka and Troyitsky (Luhansk region), the villages of Zalizne and Novhorodske, and Butivka coal mine (Donetsk region), the report says.