At least 151 people were killed and 82 others injured during Halloween celebrations in Seoul, the South Korean news agency Yonhap reported on Sunday, citing information from the authorities. According to the report, 19 foreigners are among the dead. Authorities warned the number of fatalities could rise even further. Most of the victims were young people, aged in their late teens and 20s. The bodies were transported to a sports hall in the early hours of Sunday, where they were to be identified by relatives. The tragedy occurred in the nightlife district of Itaewon after reports said crowds po…