There was one entry point to the 18-foot wastewater tunnel that some 31 people were working in late on Wednesday night, per the LA fire department.

As many as 15 workers are trapped following a reported collapse inside an industrial tunnel in Los Angeles. The collapse was ...

As many as 15 workers were trapped in an industrial tunnel collapse in Los Angeles' Wilmington area, the city's fire department said late on Wednesday. No injuries have been confirmed, the LAFD said.