STUDIO CITY (CBS) — A man has died after a trench collapsed Tuesday afternoon in Studio City.

Los Angeles City firefighters were sent to 3931 N. Oeste Ave. at 2:51 p.m.

Officials say a caller reported the victim, believed to be in his 30s, was in an 8-foot-deep, 2-foot-wide trench when the collapse occurred.

The man was excavating a trench with hand tools in an attempt to find the sewer line from the street, according to fire officials.

Its unclear when the accident occurred as other workers were at a different area of the site, and the victim was by himself when the accident happened. He was not discovered until the job foreman returned from getting supplies, officials said.

The man was unconscious when firefighters arrived. He was declared dead at 3:10 p.m.

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