Rwanda genocide: France keeps 1990s archives secret (BBC News)

France's top constitutional authority says presidential archives on Rwanda should remain secret, thwarting a genocide researcher.

In 1994 France backed Rwanda's ethnic Hutu leaders at the time of the genocide by Hutu militias. Some 800,000 people - mostly Tutsis - were killed.

The Constitutional Council says a 25-year block on ex-president François Mitterrand's documents is legitimate.

A researcher, François Graner, had sought permission to study them.

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