"They will be (identified) in the coming hours," said Valls outside the Ecole Militaire where a centre has been set up for the victims' families.
At least 129 people were killed, according to the latest official toll.
"These are not anonymous victims. They are lives, young people, who have been targeted while they spent a quiet evening in a café, or at a concert," Valls told reporters.
Paris attacks: what we know so far
"No psychologist, no volunteer, no doctor can console them," he said of the grieving families.
"But we must help them with the process, with identifications, to accompany them... through all the administrative tasks."
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