By Tarek Amara
TUNIS (Reuters) - One protester died and several were injured when Tunisian Islamists defied a ban on their demonstration and clashed with police on Sunday.
The 27-year-old man was killed in the violence in the capital Tunis which continued into the evening, the state news agency said. A Reuters witness saw several others injured at the protest in support of the Islamist Ansar al-Sharia group.
In the central city of Kairouan, where tens of thousands of members of Ansar al-Sharia had been due to attend the main rally, protesters threw stones at police, who fired teargas in response.
Ansar al-Sharia is the most radical Islamist group to emerge in Tunisia since secular dictator Zine al-Abidine Ben Ali was toppled in 2011, and poses a test to the authority of the moderate Islamist government.
While the situation in Kairouan had calmed down by Sunday evening, clashes continued in Tunis where police arrested dozens of people in the Ettadamen neighborhood where Islamists chanted: "The rule of the tyrant should fall."
Police fired teargas and shots into the air to disperse some 500 stone-throwing protesters, some of whom set fire to cars, lowered the Tunisian flag and replaced it with a black al Qaeda banner.
The state news agency identified the dead man as Moez Dahmani but did not say how he died.
Buses and the subway stopped working and shops in the neighborhood were closed, while military aircraft patrolled overhead. Clashes spread to two other areas of the capital.
Tunisia was the first country to stage an "Arab Spring" uprising, inspiring similar revolutions in Egypt and Libya.
The new government is led by a moderate Islamist party, Ennahda, but hardline Islamist Salafists are seeking a broader role for religion, alarming a secular elite which fears this could undermine individual freedoms, women's rights and democracy.
The Interior Ministry announced on Friday a ban on the gathering of Ansar al-Sharia, "which has shown disdain for state institutions, incited violence against them and poses a threat to public security".
Prime Minister Ali Larayedh said on Saturday the group was linked to terrorism. The same day, the regional arm of al Qaeda issued a statement urging Ansar al-Sharia to defy the government crackdown.
The U.S.-based SITE Intelligence Group, which monitors jihadist statements, said al Qaeda in the Islamic Maghreb encouraged the Tunisian Islamists to continue their "good steps" and beware of provocations by the government.
Ansar al-Sharia said it would hold its rally in Kairouan next week, something which may prolong the tensions.
The group said police had arrested its spokesman Saifeddine Rais, but it was not clear where or when. A security source confirmed he had been detained.
The group's leader Saifallah Benahssine, also known as Abu Iyadh, is a former al Qaeda fighter in Afghanistan and is wanted by police for allegedly inciting an attack on the U.S. embassy in September. Four people were killed in those disturbances, which began as a protest over a film that mocked the Prophet Mohammad.
In a separate development in Kairouan on Sunday, the interior ministry said a woman had been arrested for placing a feminist banner on the wall of a mosque and trying to expose her breasts.
The activist, named Amina, sparked controversy in recent months by publishing nude images on Facebook and writing on her chest: "My body belongs to me and not the honor of others".
(Additional reporting by Mohamed Argoubi, Anis Mili and Zoubier Souissi; Editing by Mark Trevelyan and Robin Pomeroy)
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