Immigrants at ICE check-ins detained, held in basement of federal building in Los Angeles, some overnight

Many undocumented immigrants who went to their Immigration and Customs Enforcement check-in appointments at a federal building in Los Angeles this week were taken into custody and brought to the basement and held there, some overnight, according to immigration lawyers and family members.

It was unclear how many people were affected, but the attorneys told CBS News hundreds of immigrants were detained — dozens in the basement in rooms that could fit up to 30 at a time.

CBS News reached out to the representatives of ICE and the Department of Homeland Security for comment.

One attorney, Lizbeth Mateo, said ICE officials slated several of her clients for check-ins at the Edward R. Roybal Federal Building in downtown L.A. but when they showed up on Tuesday, they were detained and immediately