"The hostages have been since long months in an extremely dangerous situation... We will do everything to save them," he added.
The minister also confirmed that French air force carried out an air strike in Mali on Friday in support of government forces, but did not give further details.
Situation in Mali has deteriorated in the last few days, the minister warned. "Due to the delay between the taking of international decisions and their application, the terrorist and criminal groups moved south, their goal is to gain control of all of Mali and install in Mali a terrorist state," Fabius said.
Reports say Malian government forces launched on Friday an offensive against Islamist rebels and recaptured the central towns of Konna and Douentza with French and other foreign military support.
China's social trust index declined further last year, according to the Annual Report on Social Mentality of China 2012