Photo from UNIAN

Two persons have been injured in an explosion of an unknown device in a recreation center in Ukrainian-controlled part of Donetsk region.

Police are investigating the incident, which happened in Donetsk region's Lymansky district, the National Police's Main Department in Donetsk region has said.

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The victims – a male, 38, and his girlfriend, 35, – are reportedly residents of Kramatorsk, which was liberated from Russian-led forces on July 5, 2014.

The incident was reported at about 03:00 Kyiv time on July 15.

Investigators are on the scene.