OSLO, Aug 31 (Reuters) - 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.
The cause of the crash was not immediately clear.
Helitrans was not immediately available to comment.
Reporting by Nerijus Adomaitis Editing by Edmund Blair