Tunisian security official says

Spokesman for the National Guard Khalifa al-Shaibani that the owner of a company in Djerba provided 44 cars for the protesters, adding that they have information about suspected corruption related to this person who is engaged in suspicious activities such as illegal car hire and smuggling.
He added that some of those involved in the vandalism were arrested ... Our spokesman confirmed that there is a real conspiracy being waged against the security services against the backdrop of the Tataouine protests. He added that religious parties and smugglers behind what is happening in Tataouine especially after the achievement of achievements against terrorism.
He added, “I do not understand the link between the protests and the burning of a border center in a tribal state by groups, noting that recent events have been planned for some time.”
The spokesman of the National Guard Brigadier Khalifa al-Shaibani, the seriousness of some false reports by a number of the so-called suspects and serve agendas dangerous and suspicious. He added that these daily incitement to target security units in Tataouin and in particular the National Guard calls for the burning of security headquarters and regions, In the same context, these machines continue their practices, calling for stopping them alone.