Dumas said that former Elf president Loik Le Floch-Prigent's version that he had discussed the Leuna affair with the president and that Mr Vedrine and Ms Guigou knew about it, "was certainly true".
BBC: French elite hit by sleaze claims
2.
He claims Elf made illegal donations to the CDU in order to buy the Leuna oil refinery in East Germany after Mr Kohl made a personal appeal to then President Mitterrand and Prime Minister Balladur.
BBC: French elite hit by sleaze claims
3.
At that time Elf took over one of the biggest businesses in eastern Germany, the Leuna oil refinery and its network of petrol stations, as part of the wholesale privatisation of former East German state assets.