The Austrian presumably belonged to one of the military groups that participated in the warfare and executed wounded and prisoners, Censor.NET reports siting Polske Radio.
The man was apprehended on Friday night at the checkpoint of Dorohusk (Yahodyn at Ukrainian side) as he attempted to leave Poland.
The apprehended awaits an extradition to Austria.
Since April 7, EU introduces stricter rules for crossing the EU external border by European citizens. Every traveler who enters or leaves the Schengen area is checked through local and European databases.
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