rampage

riehua, raivota

riehuminen, raivoaminen A course of violent, frenzied action.
{{quote-book|year=2006|author=w:Edwin Black|Edwin Black
To move about wildly or violently.
2014, Ian Black, "http://www.theguardian.com/world/2014/nov/27/-sp-courts-jordan-crush-support-isis Courts kept busy as Jordan works to crush support for Isis", The Guardian, 27 November 2014:

It is a sunny morning in Amman and the three uniformed judges in Jordan’s state security court are briskly working their way through a pile of slim grey folders on the bench before them. Each details the charges against 25 or so defendants accused of supporting the fighters of the Islamic State (Isis), now rampaging across Syria and Iraq under their sinister black banners and sending nervous jitters across the Arab world.