Unemployed protesters demonstrate in Tunis, Tunisia, Friday, Jan. 22, 2016.

Tunisia’s Prime Minister Habib Essid held an emergency cabinet meeting Saturday, after authorities declared a nighttime curfew nationwide following the worst outbreak of social unrest since the 2011 revolution.

Essid met his defence and interior ministers before the cabinet session, as AFP journalists reported relative calm in towns rocked by clashes between protesters and police in recent days.

“Security-wise, it has started to stabilise,” interior ministry spokesman Walid Louguini told AFP, echoing Essid’s comments on Friday that the situation had been brought “under control”.

Five years after the overthrow of longtime dictator Zine El Abidine Ben Ali, street demonstrations against unemployment and poverty have again shaken the North African nation.

In a televised address to the nation on Friday, President Beji Caid Essebsi expressed understanding for the frustrations vented in impoverished regions of central Tunisia.

But he warned against “ill-intentioned hands” exploiting the legitimate grievances of demonstrators.

Anger erupted over the death on January 16 of Ridha Yahyaoui, a 28-year-old unemployed man who was electrocuted when he climbed a power pole while protesting in the central town of Kasserine.

The unrest spread around the country, including to Tunis where shops were burnt and looted in one suburb, prompting the interior ministry on Friday to impose an 8:00 pm to 5:00 am curfew.

Calm returned to Kasserine on Saturday morning, an AFP journalist said, after a day of clashes.

In the nearby town of Sidi Bouzid — the cradle of the 2011 uprising — teenagers set fire to tyres but the situation was relatively calm, an AFP journalist said.

Authorities arrested 261 people over the unrest and 84 for violating the curfew on Friday, the interior ministry said.

France on Friday pledged $1.1 billion in development aid to Tunisia over the next five years, after Essid held talks with French President Francois Hollande.

While Tunisia is considered a rare success story of the Arab Spring uprisings, the authorities have failed to resolve the problems of social exclusion and regional inequalities.

Tunisia also faces militant violence that has devastated its vital tourism industry.

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