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A congressional field hearing is being held in Irvine Monday to discuss the effects of a massive oil leak off the Orange County coast earlier this month.

U.S. Reps. Katie Porter, Alan Lowenthal and Mike Levin are attending the hearing, which began at 9 a.m.

The hearing comes two days after investigators from the U.S. Coast Guard boarded a cargo vessel in Long Beach that could be tied to the ruptured pipeline, which spilled an estimated 25,000 gallons of oil.

Chris Wolfe and Christina Pascucci report for the KTLA 5 Morning News on Oct. 18, 2021.