FIVE NATIONAL LEADERS, including SDS National Secretary Mark Rudd are arrested by the Chicago "Red Squad." which had obtained a parade permit ear— lier, moved into the street. They mar— ched at a rapid pace for more than eight blocks east on Randolph St. As the crowd moved out of Haymarket Sq., led by a squad car, a half dozen un— marked cars pulled into the street be— hind them. The officers who had pat.— rolled the Square also formed behind the marchers. LEAfiER SEIZED: page fourteen As the march moved east, squads of police who had lined the street joined the officers behind the crowd. Uniform— ed and plainclothes police kept pace on the sidewalk. The march ten turned south on LaSalle, according to the pro— scribed route. By this time, over 75 officers were following the demonstra— tors. As the 325 Weathermen passed one policeman, he muttered increduously, "Red Squad” members make arrest immediately prior to set. rally. "Is this it? Are these all?" A woman bystander said angrily, "They shouldn't leave them alone, they know what they are going to do." After marching south for two blocks, a leader suddenly yelled "Break!” With a shout the Weathermen turned east on Madison, of the official route. One poliCeman was immediately thrown throng a plate glass window at the Railway Ex— press office at the corner of Madison and LaSalle. Demonstrators charged do Madison, battling police as they went. Over 100 police in full riot gear almost immediately closed in behind the Weathermen, joining those who had fol— lowed the march. They pursued the de— monstrators as they headed east past Clark and Dearborn, where they were met head on by another contingent of police At Dearborn, the Weathermen split into three groups, one heading east on Madison toward State St., the other mov ing north and south on Dearborn. "Fol— low them, get them," officers shouted to their men. As police began to round up the marchers, several discarded thei helmets and were able to avoid detec~ tion. At Clark and Madison, a demonstrator was felled, unconscious, at the center of the intersection. Police first al— lowed a member of the "medical cadre" to treat the youth, then carried the unconscious demonstrator to a waiting squad car by his arms and legs. The medic was also arrested and taken away in a paddy wagon. A more serious casualty occurred earlier in the fight when assistant corporation counsel Richard Elrod at- tempted to arrest a demonstrator. He