Diana was called a 'loose cannon' by charles friend nicholas soames who later apologised. It was over the land mine visit.
Princess Diana angered government ministers after calling for an international ban on landmines.
Her comments - made during a visit to Angola to see for herself some of the victims of landmines - were seen as being out of step with government policy.
The Junior Defence Minister, Earl Howe, described the princess as a "loose cannon", although he sought to distance himself from the criticism.
This BBC News report was first broadcast on 15 January 1997.