Officials had faced charges over the appointment of a civilian to a top post within crime intelligence.

Officials say the bodies of the two Belgians, who went missing in 1992, were discovered after the Trift Glacier receded.

The overloaded boat was taking people, including many children, to farms to harvest rice.

Jeffries was declared "mentally incompetent" by a court last year and said to be suffering with dementia and late onset of Alzheimer's disease.

The crucial waterway's operator says low rainfall caused by the ocean pattern had led to the decision.

It is unclear why the civilian-contracted plane was at the radar site on Alaska's south-west coast.