Fresh protests have broken out in a suburb of the Tunisian capital, Tunis. Police reportedly fired into the air to disperse protesters in Ettadamen, 15 kilometres from the centre of Tunis. Officials have said 21 people were killed in protests in recent days though union and health officials say the toll may be at least 50. The protests have been attributed to anger over unemployment and political frustrations. Security forces responded by firing tear gas canisters and shots into the air.The government also said four civilians had been killed by police who acted in self defence in the town of Kasserine. Communications Minister Samir Laabidi gave the government's latest death toll as 21 dead denying reports of a higher number of casualties.