The killing of a senior Algerian militant by special forces soon after he slipped into Tunisia has raised concern that al Qaeda is trying to regroup in the North African state as rival Islamic State has suffered major setbacks, security sources say.
Tunisia special forces killed a local leader in al-Qaeda in Islamic Maghreb (AQIM) during an operation in which a top aide to the group's leader died, the interior ministry said on Sunday.
Interior ministry spokesman Khlifa Chibani said 41 people aged between 13 and 19 were detained on Sunday amid fresh protests.
Tunisian authorities arrested another 150 people including local opposition leaders over unrest against price and tax rises that prompted troop deployments to restive towns, and activists called for renewed rallies at the weekend.
Protests erupted in more than 10 towns across Tunisia against price and tax increases imposed by the government to reduce a ballooning deficit and an economic crisis.
Tunisia suspended Emirates Airlines flights after a public outcry over security measures in the United Arab Emirates targeting women from the North African country.
A Tunisian police officer who was stabbed by a suspected militant died of his wounds on Thursday, and security unions threatened to stage protests if parliament fails to legislate tougher protections for security force personnel.