In the south-eastern Tunisian city of Zarzis, shops and government offices along with health services, were closed, except for emergency cases, as protesters demand a renewed search for relatives who went missing in a failed migration attempt.
The pressure piling on authorities prompted the president to ask his Justice Minister to open an investigation.
Four weeks ago, 18 Tunisians boarded a boat headed for Italy, before it sank.
Four people, suspected of being missing Tunisians, were buried in a nearby cemetery for foreign migrants — allegedly without efforts to identify them.
