angry protesters surge forward carrying makeshift weapons and shields toward official guards. The crowd pushes against barriers while shouting and raising their fists in defiance. Government security forces try to hold their positions as the mob breaks through protective barricades. Papers and debris fly through the air as the confrontation escalates. Guards retreat up the building steps while protesters storm forward aggressively. Other rioters smash windows and overturn official property in the background. a violent uprising against an authority or government