As of Saturday afternoon, Jung Cheong Rae had talked for more than 11 hours, breaking a record for the country's longest parliamentary speech set on Wednesday by fellow opposition legislator Eun Soo Mi, who spoke for 10 hours and 18 minutes.

Jung was 17th lawmaker to take the podium since opposition lawmakers decided on Tuesday to resort to a filibuster, the country's first since 1969 .

One lawmaker pulled out a copy of George Orwell's "1984" and read extensively from it.

Opposition lawmakers say the bill doesn't have sufficient measures to prevent the agency from abusing its powers for civilian surveillance.

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