"As part of the continuing operation at Ben Guerdane, security forces and the army were able to eliminate five terrorists tonight in the Benniri area," the ministry said in a statement yesterday, adding that weapons had been seized.
Local media had reported that security forces had surrounded a house where several men were holed up, information that was not confirmed in the brief ministry statement.
Prime Minister Habib Essid said 36 attackers were killed and seven captured in a fierce firefight Monday that also saw the deaths of seven civilians and 12 security force personnel.
Defence ministry spokesman Belhassen Oueslati said 17 other suspects were arrested yesterday near a military barracks and handed over to the National Guard for questioning.
Tunisian authorities had said search operations were continuing in the region yesterday.