Tonight's programme investigates the spread of Hepatitis C through contaminated blood. Britain was the last country in Europe to screen its blood donors for the potentially fatal virus, and as a result thousands may have been contaminated, many of whom do not know that they carry the virus.

This Panorama special investigated how the French government was deeply implicated in the Rwandan genocide. It revealed the true extent of French covert military assistance to the Rwandan government between 1990 and 1994.

Diana, Princess of Wales, speaks openly for the first time about her separation from the Prince of Wales in a frank interview for the BBC's Panorama programme.