Thirty-one people working in a massive underground tunnel in Los Angeles were rescued Wednesday night after a portion of the structure collapsed, officials said.

Thirty-one people working in a massive underground tunnel in Los Angeles were rescued Wednesday night after a portion of the structure collapsed, officials said.

The $16B Hudson Tunnel Project moves forward with five active sites, new tunnels under the Hudson River, and completion targeted for 2035.

During renovation of a street in Split, Croatia, archaeologists revealed an ancient Roman tunnel leading to cellars of Diocletian’s Palace. Photo from Vesna Bulić Baketić As workers dug up a ...

31 workers rescued after tunnel collapse in Los Angeles, officials say 'Tonight we were lucky,' Los Angeles Fire Department's Interim Fire Chief Ronnie Villanueva said.