Oleg Kalashnikov died of gunshot wounds , Ukraine 's Interior minister died . He was a Party of Regions deputy in Ukraine 's previous parliament . Kalashnikov was son of former Ukrainian President Viktor Yanukovych .
Oleg Kalashnikov died of gunshot wounds , Ukraine 's Interior Ministry said . He was a Party of Regions deputy in Ukraine 's previous parliament . Kalashnikov was ally of deposed Ukrainian President Viktor Yanukovych .