 In July 2009, Chung went on a six-day hunger strike to protest a series of media laws passed by the ruling Grand National Party.He resigned his assembly seat on 24 July alongside Chun Jung-bae, labeling the bills invalid and stating that passing legislation through "illegal voting and violence cannot be justified".Some 70 Democratic lawmakers also handed letters of resignation to Chung, and Chung announced that the party would begin a hundred-day campaign in the streets against the laws.