after the ship docked, the crowd advanced down the dock. the police had set up a "dead line" that the protesters were not supposed to cross. the protesters, however, crossed it. the police threw about a dozen tear gas grenades into the crowd. among the protesters were members of the hawaii territorial guard who took action and threw tear gas grenades back at the police or away from the crowd. they were also instrumental in providing the unions police plans on how the police were going to react to the strike. the tear gas did cause some protesters to leave and temporary confusion, but after regrouping, the crowd kept on advancing.