The men were `` constantly moving through the crowd expressing displeasure at the crowd 's unwillingness to act violently , '' it says . The suspects first planned to `` topple financial institution signs atop ... buildings , '' officials say . A second group of men then allegedly tried to use a car bomb and pipe bombs in the same area but were stopped by police who shot at them with tear gas before they could detonate their devices. They conspired to acquire C-4 explosives and build improvised explosive devices . Authorities say three of the men are self-proclaimed anarchists . Five suspects are accused of conspiring to blow up a bridge near Cleveland .
The suspects first planned to `` topple financial institution signs atop ... buildings , '' officials say . A second group of men then allegedly tried to use a car bomb and pipe bombs in the same area but were stopped by police who shot at them with tear gas before they could detonate their devices. They conspired to acquire C-4 explosives and build improvised explosive devices . Authorities say three of the men are self-proclaimed anarchists . Five suspects are accused of conspiring to blow up a bridge near Cleveland .