FREE newsletter is packed with the best (and weirdest) stories from around the worldThe mayor of South Korea's capital city Seoul has gone missing, prompting a major police search.Seoul's Mayor Park Won-soon's daughter filed a police report saying he "had left home four to five hours ago after leaving words like a will, with his phone currently off".It comes just days after the mayor had proposed a major coronavirus prevention summit with politicians from North Korea, as part of a joined-up response across the peninsula to the disease.Speaking last month with members of the Peninsula Club, made up of ambassadors from 20 countries who hold posts in both Seoul and Pyongyang, he said he was "ready to make a visit to North Korea at any time".He.