One protester died in unclear circumstances in Tebourba, a town 40 kilometers west of the capital Tunis.
The government of Tunisia has chose to use units of the army due to mass protests in the country caused by high prices and taxes.
Tunisian police have arrested 328 people after four nights of anti-austerity protests, Interior Ministry spokesman Col.
According to an Anadolu Agency correspondent covering Friday's demonstration, several protesters tried to breach a security barrier set up outside the provincial headquarters but were prevented from doing so by police.
The protests have broken out in response to an unpopular new Finance Act, which saw price hikes and Value-Added Tax increases imposed from January 1.
"What happened is violence that we can not accept".
It is noted that all the protests that have been ongoing since Monday, January 8, arrested more than 600 people, about half of them in the last day.
Army soldiers fall from chopper as slithering exercise goes wrong
A video has been making rounds on social media which shows the jawans sliding down on a rope tied to the chopper. This helicopter is an indigenously developed and manufactured by Hindustan Aeronautics Limited (HAL).
While the other revolutions have descended into violence or given way to authoritarianism, Tunisia is widely seen as a success story of the Arab Spring.
"Unknown people took the opportunity of the protests and threw Molotov cocktails into the lobby of (the)... school", the head of the local Jewish community, Perez Trabelsi, told Reuters.
The main labour union and Islamists, who co-rule with secular forces, had demanded an increase in aid for poor families after the protests began.
Djerba is home to Africa's oldest synagogue, which was hit by al Qaeda-linked militants in 2002 in a truck bomb attack that killed 21 people including Western tourists.
Over 800 people have been arrested during the unrest, according to the interior ministry. In Tunis, a crowd stormed a Carrefour market. This has caused prices and taxes to rise across a range of essential goods and services, like fuel, cars and internet use.
Its democracy remains for the most part intact and a secular party now leads the government in coalition with a moderate Islamist group.
At 15 percent of economic output, the state's wage bill is one of the highest per capita in the world, and parliament on Tuesday passed a law to offer voluntary redundancy to public service workers as part of plans to trim it to 12.5 percent by 2020.