At least four people have died after two seaplanes collided mid-air over southeastern Alaska on Monday.
US Coast Guard and Federal Aviation Administration officials said 10 people were injured in the incident, with two more reported missing.
According to reports, the two aircraft - one with 11 passengers, the other with five on board - were conducting excursions sold through Princess Cruise Lines.
The circumstances of the crash were not immediately known.

Former US VP Dick Cheney dies at 84
Dozens killed, army helicopter downed as Typhoon Kalmaegi hits Philippines
Trump threatens to cut funds for New York City if Mamdani wins mayoral race
Worker trapped under collapsed medieval tower in Rome dies
Saudi Crown Prince bin Salman to visit Trump in White House
Australia to offer three hours free solar power daily to millions
Man charged with 10 counts of attempted murder after knife attack on UK train
Tanzania's Hassan sworn into office after deadly election violence
