Thirty-one men working on a tunnel about 400 feet beneath the ground in Los Angeles were operating a machine to carve through the earth. Without warning, a portion of the tunnel collapsed around them ...

Twenty-seven industrial workers were rescued from a collapsed municipal wastewater management tunnel that was under construction in Los Angeles on Wednesday evening, the city’s fire department said.

A portion of a huge industrial tunnel under construction in Los Angeles collapsed Wednesday and up to 15 workers may have been trapped, the Los Angeles Fire Department said.