It said they were celebrating in one of the restaurants targeted by gunmen during the wave of shootings and bombings claimed by the Islamic State group.
Around 700,000 Tunisians live in France, the former colonial power in the North African country.
Tunisian President Beji Caid Essebsi, who is on a private visit to Paris, met French President Francois Hollande at the Elysee Palace Saturday.
He called on "all people who love freedom to coordinate their efforts" against these "barbarous acts".
Tunisia has also been shaken by jihadist violence this year.
The popular resort of Sousse was the site in June of a beachfront massacre in which a gunman killed 38 foreign tourists.
The IS group claimed responsibility for that massacre and also the killing in March of 21 foreigners and a policeman at the national museum in Tunis.
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Around 700,000 Tunisians live in France, the former colonial power in the North African country.
Tunisian President Beji Caid Essebsi, who is on a private visit to Paris, met French President Francois Hollande at the Elysee Palace Saturday.
He called on "all people who love freedom to coordinate their efforts" against these "barbarous acts".
Tunisia has also been shaken by jihadist violence this year.
The popular resort of Sousse was the site in June of a beachfront massacre in which a gunman killed 38 foreign tourists.
The IS group claimed responsibility for that massacre and also the killing in March of 21 foreigners and a policeman at the national museum in Tunis.
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