Alaska oil rig dislodged and towed, no leaks detected yet

The Shell-owned oil rig that ran aground in Alaska last week is under tow today. The Killuk  was cut free from a tug boat amid 24-feet swells and is now bound for a sheltered bay where investigators can assess its stability. It's carrying about 160,000 gallons of diesel and other petroleum products. So far, there's no sign of leakage but the US Coast Guard and two oil spill response vessels are sailing alongside just in case.

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