Kim Jong Un visited the bier of Kim Jong Il, late top leader of the Democratic People's Republic of Korea (DPRK), for the fifth time on Tuesday, the official KCNA news agency reported.

Kim Jong Un, vice-chairman of the Central Military Commission of the Workers' Party of Korea and supreme leader of the party, state and army, again visited the bier of Kim Jong Il, the KCNA said.

The visit reflected the unbounded condolences of all the servicepersons and people of the country, it added.

Kim Jong Il died from a "great mental and physical strain" during an inspection tour on Dec. 17.