Investigators said the contractor drilled 50 feet down into the East River, then another 50 feet through the soil. That's when the drill cracked the cast-iron liner above the tunnel's exhaust duct.

They are digging a two-mile-long tunnel to help keep millions of gallons of raw sewage out of nearby waterways. And they have a lot of help: a massive drill named “Hazel” that weighs 380 tons ...

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An underwater tunnel that passes beneath New York City’s East River sprung a shock leak on Wednesday after a city contractor mistakenly drilled a hole through it, sending streams of water into ...