Baltimore Key Bridge collapse: Temporary channel opens for boats working on bridge response

Investigators were busy working on Wednesday to discover what caused the power loss prior to the crash, but the full investigation and repair efforts will take "not days, weeks nor even months," Maryland Gov. Wes Moore said on Wednesday.

"This is complicated. It is difficult. But we still have to be able to move with a sense of urgency and we are going to get it done. But this is going to take time," Moore said in an interview on "Good Morning America." "This is not days, weeks nor even months."

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Maryland governor on recovery efforts after Francis Scott Key Bridge disasterGov. Wes Moore joins “GMA” to share what he knows about the cargo ship that collided with the bridge, the plan to rebuild and efforts made by first responders to save lives after the disaster.

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"We still have information that we have to uncover," he said, "The thing that we do know though is that with a ship of that size, moving at that kind of clip, it was going to be difficult for that type of bridge to be able to sustain."

Moore and other government officials had met on Tuesday with the families of the missing, as the search continued.

"Had the opportunity to pray with them and pray for them," he said Tuesday. "And the strength of these families is absolutely remarkable, and we want to let them know that we are here with you every single step."

He said investigators would do everything they could to give those families peace as the search turns to a recovery mission.

"We want to let them know we will use all resources to bring them a sense of closure and peace," he said on "GMA."

The force with which a cargo ship hit Baltimore's Key Bridge on Tuesday was "just unimaginable," Transportation Secretary Pete Buttigieg said Wednesday.

"What I do know is that the force of this ship is almost unimaginable," Buttigieg said on "Good Morning America." "This is a vessel that was about 100,000 tons carrying its load. So 200 million lbs. went into this bridge all at once, which is why you had that almost-instant catastrophic result."

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Sec. Buttigieg gives update on Francis Scott Key Bridge collapse investigationTransportation Secretary Pete Buttigieg shares the latest details about the investigation into the Baltimore bridge disaster and the timeline for recovery and rebuilding.

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As the U.S. works to update bridges around the country, each new generation of bridges is "more resilient than the last," Buttigieg said.

"We are at work to make sure our infrastructure for the future is better prepared for any kind of threat," he said. "Really what we saw yesterday was just unimaginable in terms of the proportion of that ship."

Buttigieg had arrived at the scene in Baltimore on Tuesday, saying at the time that the DOT's Maritime Administration would assist with disrupted port, harbor and supply chain operations.

The DOT's Federal Highway Administration will assist with the bridge, he said Tuesday.

He said his "first thoughts" were with the missing construction workers and their families.

"Now they are dealing with news that's just unthinkable," he said on "GMA."

Construction workers originally from Guatemala and El Salvador are among the six missing after the Key Bridge collapsed in Baltimore, foreign officials and local aid group said.

The two from Guatemala who are missing are a 26-year-old from San Luis, Petén, and a 35-year-old from Camotán, Chiquimula, the country's foreign ministry said in a statement. Their names were not released.

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Coast Guard ends search for missing workers after Francis Scott Key Bridge collapseAuthorities say the 47-degree water and unpredictable currents are just too treacherous for the six missing workers to have survived the Maryland bridge collapse as the investigation continues.

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Another missing worker was identified as Miguel Luna, who is originally from El Salvador, according to Court Appointed Special Advocates, a group that works with immigrants.

"Miguel Luna, from El Salvador, left at 6:30 p.m. Monday evening for work and since, has not come home," the organization said in a press release. "He is a husband, a father of three, and has called Maryland his home for over 19 years."

-ABC News’ Victoria Arancio and Kevin Shalvey

The Coast Guard said it is suspending the search and rescue efforts as of 7:30 p.m. Tuesday for the six missing individuals after the bridge collapse.

"Based on the length of time that we've gone in the search, the extensive search efforts that we put into it, the water temperature -- at this point, we do not believe that we're going to find any of these individuals still alive," Rear Admiral Shannon Gilreath told reporters.

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Baltimore bridge collapse: Search and rescue efforts suspended, Coast Guard saysThe Coast Guard announced Tuesday night the suspension of the search and rescue efforts for six people who went missing after a container ship struck Baltimore's Francis Scott Key Bridge.

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The conditions in the water, including low water temperatures and unpredictable currents, have made it dangerous for first responders, authorities said.

Authorities said they plan to conduct recovery efforts starting at 6 a.m. on Wednesday.

"We're hoping to put divers in the water and begin a more detailed search to do our very best to recover those six missing people," Col. Roland Butler with the Maryland State Police said.