SEOUL (AFP) - The uncle of North Korean leader Kim Jong-Un headed to China Monday for talks on the joint development of two special economic zones, the North’s state media reported. Jang Song-Thaek is leading a North Korean delegation for a third round of talks on the Rason Economic Trade Zone and the Hwanggumphyong and Wihwado Economic Zone, the Korean Central News Agency reported. Jang - the husband of former leader Kim Jong-il’s sister Kim Kyong-hui - is also vice chairman of the North’s National Defence Commission, according to the South’s Yonhap news agency.