Man accused of knife threat on flight in Utah jail

SALT LAKE CITY (AP) - September 23, 2011

A federal judge in on Thursday also ordered 60-year-old David Alan Anderson to undergo a mental health evaluation.

Anderson is charged with possessing a dangerous weapon on an aircraft and retaliation against a federal officer by threat of murder.

Authorities say was removed from a plane in Salt Lake City before it left for Las Vegas on Sunday after he threatened to kill a passenger.

Officers found a knife in his bag and say he then threatened to kill law enforcement officials.

Anderson told the judge he had run out of his anti-anxiety prescription.

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