“In light of these attacks against public and private property, and given that the continuation of these acts represents a danger to the security of citizens, it was decided to declare a curfew across Tunisia from 20:00 to 05:00,” the interior ministry said.
“Anyone disobeying this decision risks prosecution, apart from medical emergencies and those working at night,” it said in a statement.
Authorities called for calm after 16 people were arrested on vandalism charges in a suburb of Tunis, the latest incident in almost a week of unrest.
Demonstrations broke out in the central Kasserine region after an unemployed young man was electrocuted while protesting near a governor’s office.
The discontent has spread to several towns in central Tunisia.