Officials have identified the six people who died in a midair collision of two sightseeing planes in Alaska on Monday near the cruise ship port community of Ketchikan.

Alaska State Troopers in a statement late Tuesday said four were American, one was Australian and one was Canadian.

The cruise ship passenger victims who went on the flight excursions were identified as 46-year-old Louis Botha of San Diego, 56-year-old Simon Brodie from Temple, New South Wales, Australia, 62-year-old Cassandra Webb from St. Louis, 39-year-old Ryan Wilk from Utah and 37-year-old Elsa Wilk of Richmond, British Columbia, Canada

Also killed was the pilot of one of the planes, 46-year-old Randy Sullivan of Ketchikan.

The National Transportation Safety Board is investigating the crash that also injured 10 people.

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