SEOUL, South Korea (AP) — North Korean state media say leader Kim Jong Un has appeared in public for the first time in 20 days after his absence triggered global rumors that he may be seriously ill. The Korean Central News Agency says Kim attended a ceremony marking the completion of a fertilizer factory near Pyongyang with other senior officials, including his sister, Kim Yo Jong. who many believe would take over if her brother is suddenly unable to rule. Videos and photos show Kim wearing a black Mao suit and constantly smiling, walking around facilities, applauding, cutting a huge red ribbon with a scissor handed by his sister. Speculation about his health swirled after he missed the April 15 birthday celebration for his late grandfather.