The mosques, which operate outside state control, are spreading "venom" and will close within a week, he said.
On Friday a gunman opened fire on tourists in the resort town of Sousse.
Tunisians, Britons, Germans, Belgians, French and at least one Irish citizen were among those killed in the attack, claimed by Islamic State (IS).
The gunman was shot dead by police. Officials say he was a student not previously known to authorities.
This was the second major attack on tourists in Tunisia since March, when militants killed 22 people, mainly foreigners, at a museum in the capital. (+ BBC videos) » | Friday, June 26, 2015
