Seoul AP  —  A motorcyclist who fell into a cavernous sinkhole that opened on a Seoul street was found dead after an overnight search, officials in South Korea’s capital said Tuesday. The roughly 20-meter-wide, 20-meter-deep (66-foot-wide, 66-foot-deep) sinkhole appeared at an intersection in the Myeongil-dong neighborhood in eastern Seoul on Monday afternoon, swallowing the motorcyclist and injuring a woman whose van was passing over the site, according to safety and emergency offices. The