"All those responsible and involved in this crime, killing [one] and wounding over than 100 people, will in no case be released, but will be prosecuted," said Tereshchuk.
Asked whether the leader of Svoboda party Oleh Tyahnybok was summoned for interrogation, Tereshchuk said: "All organizers of the crime will be summoned, interrogated and appropriate action will be taken against them if needed. Tyahnybok has not been subpoenaed yet, but he will be."
Video clip showing Tyahnybok amid protesters
As UNIAN reported earlier, Interior Minister Arsen Avakov said nearly 30 protesters involved in clashes with law enforcers near the Verkhovna Rada on August 31 were detained.