Kim Jong Un, Smoking and Strolling, Reappears After Three-Week Absence

SEOUL—Newly published photos and video showed a smiling North Korean leader Kim Jong Un strolling around a factory Friday, ending a nearly three-week absence from public view that fueled rumors of his death.

Mr. Kim, all in black and wearing no face mask, was shown cutting a red ribbon at a fertilizer plant in Sunchon, about 30 miles north of Pyongyang. He was flanked by aides, including his sister, Kim Yo Jong. In another image the 36-year-old Mr. Kim sat on a podium in front of a large sign displaying...