North Korean leader Kim Jong Un ordered up to 30 officials to be executed over their alleged failure to prevent massive flooding and landslides in the summer that resulted in the deaths of some 4,000 people, according to South Korean media. An official under Kim’s regime said between 20 and 30 leaders in North Korea had been charged with corruption and dereliction of duty, with the state sentencing them to capital punishment, TV Chosun reported. “It has been determined that 20 to 30 cadres in the flood-stricken area were executed at the same time late last month,” the official told...