The exact circumstances of the journalists' deaths are not yet known
Media reported that Ghislaine Dupont and Claude Verlon of Radio France Internationale (RFI) had travelled on Saturday to the northern city of Kidal to interview a spokesman for the Tuareg separatist group the National Movement for the Liberation of Azawad (MNLA), and were abducted outside his home, according to their employer.
RFI said MNLA spokesman Ambery Ag Rhissa said he heard commotion outside and "saw the kidnappers put the journalists into a beige 4X4".
Men in turbans and speaking the Tuareg language of Tamashek "ordered Mr Ag Rhissa to get back inside and forced the journalists' driver to lie down", RFI said, adding that he had heard Verlon and Dupont resist and protest at their abduction.
"This was the last time that the journalists were seen alive," said Marie-Christine Saragosse, CEO of France Media Monde, which owns RFI.
Hollande expressed "his indignation over this despicable act", said a statement from his office.
The UN Security Council members also "strongly condemned" the slaying of the journalists and "reiterated their full support" for the UN mission in Mali, a statement said.
The exact circumstances of the journalists' deaths are not yet known.
French army spokesman Colonel Gilles Jaron told AFP that "The bodies of the two journalists were found by the patrol about 12 kilometres east of Kidal on the ground near a vehicle that had stopped."
With agency inputs