4 people missing after pipeline explosion at port in Texas

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U.S. Coast Guard

Coast Guard crews respond to a dredge on fire in the Port of Corpus Christi Ship Channel, Friday, Aug. 21, 2020, in Corpus Christi, Texas. Authorities say several people have been hospitalized after an explosion at the Texas port when a dredging vessel hit a natural gas pipeline in the water. (U.S. Coast Guard via AP)