The French president held talks on the Islamist terrorist group with his Nigerian counterpart ahead of a meeting of regional leaders to discuss the conflict.
Front National said Black M, due to perform at the late-May remembrance ceremony of WWI battle, has recorded songs calling France a country of infidels.
Le Parisien, citing intelligence documents, said France began bombing Syria last September to hit IS camp of Paris attacks ringleader Abdelhamid Abaaoud.
'I came like a king, left like a legend' Tweeted the never modest 34-year-old footballer, who was at the end of his contract after four years at the club.
After earlier denials, Michel Sapin admitted 'inappropriate' conduct at Davos summit, just days after parliament's deputy speaker quit over harassment disclosures.