It is reported by Censor.NET citing the press service of the agency.
According to thereport, Popov was trying to enter the territory of Ukraine tosupport the terrorists.
The day before hetold Russian reporters that his Cossacks are travelling to Donetskand Sloviansk to fight with Ukrainian authorities and urged thosewho "specializes in armored vehicles" to joinhim.
As it is wellknown, "Cossack-fighters" of his accomplice FSB controlled CossackGeneral Nikolay Kozitsin held the OSCE mission personnel as humanshield, mined roads and bridges, attacked the Ukrainian borderguards, provided corridors for delivery of arms and mercenariesfrom Russia to the Donbas.
Popov is beingchecked on involvement in terrorist activities inUkraine.