Daylight images have revealed the devastating damage left behind after the Francis Scott Key Bridge in Baltimore collapsed early Tuesday morning in a horrifying incident.

Search and rescue teams are still desperately looking for people who were plunged into the Patapsco River after a 1.6 mile-long part of the bridge fell into the water when a large container ship struck a support column due to a power failure. The incident has prompted Maryland Governor Wes Moore to declare a state of emergency as six people remain unaccounted for, according to Maryland Department of Transportation Secretary Paul Wiedfeld who divulged the troubling news in a mid-morning media conference.

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All six people who are still missing were construction workers that were filling potholes on the bridge at the time of the collision. Two other workers were fortunately rescued from the water shortly after it collapsed. One was not injured, but the other is said to be in "very" serious condition as they are receiving treatment at the University of Maryland Medical Center and hasn't been able to speak with investigators.

READ MORE: Baltimore Key bridge collapse LIVE: 'Unspeakable tragedy' as ship crash sparks 'mass casualty event'

The Baltimore City Fire Department are conducting an "active search and rescue" effort with the help of the Coast Guard, according to Chief James Wallace. National Transportation Safety Board Chair Jennifer Homendy said "the focus has been on the people".

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The incident occurred around 1.30am Tuesday morning

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The collapse sent eight constructions workers plummeting into the frigid Patapsco River

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“This is a dire emergency,” Kevin Cartwright, director of communications for the Baltimore Fire Department, said. “Our focus right now is trying to rescue and recover these people.”

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Authorities fear the six missing people may lose consciousness within 30 to 60 minutes due to the cold water, ranging from 40 to 50 degrees

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"Earthquake - sounded like a big bash of thunder," said one resident describing the sound of the collapse

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President Joe Biden addressed the nation in a press conference, vowing to "move heaven and Earth" to get the Key Bridge in Baltimore rebuilt

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The Key Bridge was named after Francis Scott Key, an attorney who wrote the lyrics to the national anthem

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The ship issued a mayday call before hitting the bridge

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Authorities were able to limit vehicle traffic moments before the collapse

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Officials have said there is 'no indication' the crash was intentional

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