When the media uses the passive voice concerning violence in Israel, you can be sure that the violence wasn't started by the Israelis:
Clashes erupt in East Jerusalem
Violent clashes erupt in East Jerusalem as synagogue reopens
Clashes erupt in Jerusalem; US envoy cancels trip
Clashes in Jerusalem Mark Rising Tensions
US envoy halts trip as violence erupts over Jerusalem flats
Palestinian Arabs don't riot. They are just passive bystanders as "violence erupts." And rocks just happen to crash through car windows, all by themselves.
But sometimes, the media's hatred of Israel overpowers even the false desire for blamelessness:
Israeli forces clash with Palestinians