Photo released by Korean Central News Agency (KCNA) shows Kim Jong Un of the Democratic People's Republic of Korea (DPRK) attends the Fourth Conference of the Workers' Party of Korea (WPK) in Pyongyang, DPRK, on April 11, 2012. Kim Jong Un was elected first secretary of the WPK at the conference Wednesday, official news agency KCNA reported. [Xinhua/KCNA]