LONDON -- People had to leap into the River Thames on Sunday after the amphibious tour boat taking them around London caught fire near Parliament.

There were flames, and there was lots of black smoke, Phil Beasley-Harling, an eyewitness, told CNN affiliate ITV. At one point, it looked as though the boat wasn't going to survive.

Amateur video showed several passengers jumping into the water as flames and smoke billowed out from the windows at the front of the London Duck Tours boat, a bright yellow vehicle that takes sightseers around the British capital by road and river.

Watch the video for the full report.

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