PARIS/ATHENS, Feb. 19 (Xinhua) -- French President Francois Hollande on Tuesday confirmed that seven nationals had been kidnapped by a "terrorist group" in northern Cameroon.
"Three adults and four children from the same family were abducted by a terrorist group that we know," Hollande said during a visit to Greece.
"It's worrying enough for us to mobilize," he added.
Earlier, Radio France Internationale (RFI) reported that a group of armed men on motorbikes kidnapped at 0600 GMT seven French tourists near Nigerian border.
The hostage situation comes as French troops fight in northern Mali to help local authorities oust Islamist insurgents and restore sovereignty.
Al-Qaeda-affiliated cells warned French safety was put at risk "wherever they find themselves in the Muslim world" after its forces carried out a military operation against them in the West African country.
Seven French nationals are still being held hostage by Islamist groups in the Sahel region.