In addition , legislation was proposed in September 2015 to impose minimum terms of four years in prison -- with a maximum term of 20 years -- on adults who throw rocks , throw firebombs .
Who shoot fireworks aimed directly at human beings .
In addition , legislation was proposed in September 2015 to impose minimum terms of four years in prison -- with a maximum term of 20 years -- on adults who throw rocks , throw firebombs , or who shoot fireworks aimed directly at human beings .