CALGARY — A plane from southern Alberta with four people on board has been reported missing in the United States.

John Kaupp says his brother, father and two family friends left Alberta on Wednesday in a Piper Lance and were forced to land in Grand Junction, Colo., because of bad weather.

He says the aircraft left the regional airport there on Thursday morning for Albuquerque, but did not arrive at its destination.

The Federal Aviation Administration in the U.S. says it is aware of the situation and search-and-rescue teams have been mobilized to try to locate the aircraft.

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