[contentcards url=”https://apnews.com/article/health-seoul-covid-south-korea-6b3b145241901e6917b8addbc209f47b?utm_source=homepage&utm_medium=TopNews&utm_campaign=position_04″ target=”_blank”] By KIM TONG-HYUNG SEOUL, South Korea (AP) — Seoul police assigned 137 officers to manage a crowd of Halloween revelers anticipated to…