Officials said a tour bus collided with an amphibious duck tour vehicle in Seattle Thursday, killing two and injuring at least 21. About 50 people were evaluated .\r
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Officials said a tour bus collided with an amphibious duck tour vehicle in Seattle Thursday, killing two and injuring at least 21. About 50 people were evaluated .\r
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BREAKING: Death toll rises to 4 in Seattle tour bus crash; 44 people transferred to hospital and 33 being treated on scene, fire chief says. Deadly collision: At .