NEW : The journalists were abducted after interviewing a rebel , RFI reports . Comment: They aren't being held by the rebels, they're being held in Syria and then released to their families or friends who have been able to get them out of there. The French Foreign Ministry confirms the deaths . The journalists worked for Radio France International .
NEW : The journalists were abducted after interviewing a rebel , RFI reports . French President Francois Hollande calls the killings `` despicable '' The French Foreign Ministry confirms the deaths . The journalists worked for Radio France International .