They condemned the recent act of sacrilege against Muslim Holy Book at a local mosque.
According to the imam of the mosque, four unidentified men entered the mosque in the early hours of Monday, removed four copies of the Quran, and desecrated them, Al-shaoruq daily reported.
As the news spread, thousands of people gathered in front of the presidential palace to show their anger.
The demonstration got violent as police used tear gas to disperse the protesters.
One of the demonstrators, a university student, was killed in the clashes, reportedly for inhaling a large amount of tear gas.
Earlier this year protests broke out in the African country as security forces in the city of Zouerat found torn copies of Muslim Holy Book in different parts of the city.
They said unknown individuals had stolen the copies from several mosques, ripped them up and thrown the copies into garbage cans.
The Islamic Republic of Mauritania is a country in the Maghreb region of western North Africa. Virtually all Mauritanians are Muslim.
http://iqna.ir/fa/News/1382663