More migrant children arrive in San Diego, to stay at convention center Hundreds of migrant children arrived Friday in San Diego, where they will be housed at the cityâs convention center. By: Jermaine Ong and last updated 2021-04-09 20:27:37-04 SAN DIEGO (KGTV) -- Hundreds of migrant children will arrive in San Diego Friday, where they will be housed at the cityâs convention center. According to a spokesperson for the United States Department of Health and Human Services (HHS) approximately 37 children under 12 arrived in Friday morning, and about 222 more are expected into the night. City officials said 300 teen girls who had been staying at the convention center were transferred to a site at Fort Bliss in Texas.