CHICAGO (CBS) — Protestors have lost another round in their attempts to get a permit for a march through the Loop during the NATO summit.

An administrative law judge has sided with the city of Chicago in refusing to grant a new permit to protestors, who had permission to march on May 19 from Daley Plaza to McCormick Place before the G8 summit was moved to Camp David.

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City attorneys argued a march a day later would create gridlock and drain police resources.

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Andy Thayer with the Coalition Against NATO G8 War and Poverty Agenda says they’re disappointed and the ruling “defies logic”.

He says if protesters could take to the streets when there were two summits planned, why wouldn’t the city approved when there was only one?

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Protesters plan to discuss their next move, which could be going to federal court. They expect to announce their decision Friday.