Dozens rescued after tunnel collapses in L.A.

Workers trapped in a tunnel on an industrial site just outside of downtown Los Angeles, escaping unharmed. Everyone seems to be doing fine. News choppers flying over the scene, capturing the moments workers emerged from underground.27 workers were trapped 400 ft below ground for about an hour. Here's some more guys coming out right now. Four others went inside the tunnel after the collapse to help in the rescue efforts.All 31 men rescued safely and without significant injuries. ...