Nicolas Sarkozy to be investigated in Bettencourt scandal
French ex-President Nicolas Sarkozy has been placed under formal investigation over claims his 2007 election campaign received illegal donations from France's richest woman.
Mr Sarkozy is accused of accepting thousands of euros from L'Oreal heiress Liliane Bettencourt, now aged 90.
The former leader denies taking financial advantage of Mrs Bettencourt. Christian Fraser reports.