A 30-ton hatch was recovered from Baltimore's harbor Thursday after it detached during an explosion on a coal ship on August 18, according to the U.S. Coast Guard.

The Liberian ship, filled with coal, exploded in the Patapsco River near the site of the Francis Scott Key Bridge collapse.

The hatch's position in the river prompted intermittent restrictions for vessels entering and exiting the Fort McHenry Federal Channel, as the Coast Guard had a safety zone in place over the past week.

On Thursday, the Port of Baltimore said Coast Guard officials recovered the hatch and reopened the channel to ship traffic.

Explosion on coal ship

No injuries were reported in the explosion aboard the W-Sapphire, officials said.

The 751-foot vessel had 23 crewmembers and two pilots onboard at the

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