Kim Jong-un Celebrates with Those in Charge of Nuke Test

North Korean leader Kim Jong-un invited officials and scientists involved in the country's latest nuclear test to Workers Party headquarters on Monday.

They took a group photo to celebrate what the North claims was the successful test of a hydrogen bomb, according to the official Rodong Sinmun daily.

Kim told the officials "to achieve even bigger accomplishments in scientific research to strengthen nuclear deterrence for self-defense."