North Korea faced criticism from Western nations at the UN Human Rights Council in Geneva on Thursday, where it was urged to dismantle its prison camp system.

The council examines the records of each UN member nation every four years. Thursday’s statements came nearly three months after the UN Commission of Inquiry on Human Rights in the Democratic People’s Republic of Korea published its reports detailing widespread human rights violations.

Robert King, the U.S. special envoy for North Korean human rights issues, called for the DPRK to close down its political prison camps, which are believed to hold up to