They accused the IS of abusing its power in the period of the election in a bid to conduct propaganda representing the interests of a specified party and twisting the will of the people.

They also lashed out at the present conservative ruling forces for desperately working to derail the state investigation for probing truth about the IS's interference in the election.

Such meddling is an illegal action, they noted, urging the present chief executive of south Korea to bear full responsibility for the case and arrest those involved in the case at once.

That day they conducted an information service disclosing the IS's illegal action.