Helicopter Crashes in Norway, at Least Four Killed

An Aerospatiale AS350 Ecureuil helicopter of the French National Gendarmerie is seen in Seyne, south-eastern France, near the site where a Germanwings Airbus A320 crashed in the French Alps., on March 24, 2015. (Anne-Christine Poujoulat /AFP/Getty Images)

OSLO—At least four people were killed, one was missing, and one was injured after a civilian helicopter crashed in northern Norway on Saturday, the rescue service said.

There were five passengers and a pilot on board the Airbus AS350 helicopter operated by Norwegian firm Helitrans when it crashed southwest of Alta at around 1500 GMT, it added.

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The cause of the crash was not immediately clear.

Helitrans was not immediately available to comment.