Costa Concordia a "labyrinth" for divers

The bodies of the missing Costa Concordia cruise ship passengers are thought to be in an area now deep underwater, a dangerous place for search divers to be at the best of times - never mind if the ships moves.

One diver described it as "a labyrinth," and said it was a miracle anyone survived.

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Meanwhile, even more evidence is emerging that the ship's captain knew something was wrong long before he told the passengers, or took emergency measures.

Amateur video surfaced Friday that shows a crew member telling passengers to go back to their cabins, that "everything is under control," just half an hour before the ship capsized.

Watch Pizzey's full report above.