REUTERS

Ukrainian volunteer activist Yuriy Mysiahin has said Ukrainian infantry troops captured an important member of a terrorist organization near the Russian-occupied town of Horlivka.

Read alsoOSCE: Russia-led forces quickly equip fortified positions near disengagement areas in Donbas

"The captive has turned out to be a 'big fish.' He has been fighting in the ranks of illegal armed formations since 2014," he wrote on Facebook on September 19.

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According to unconfirmed reports, he is a citizen of a post-Soviet state.

As UNIAN reported earlier, Russia's hybrid military forces on Wednesday mounted five attacks on Ukrainian positions in Donbas, eastern Ukraine.