Tunisian police have clashed with demonstrators in a fifth of protests that appears to be spreading from the city of Siliana.

突尼斯警察与游行者的冲突进入了第五天，这次冲突从锡勒亚奈市开始蔓延。

In Siliana in the northwest, they burnt tyres and threw stones at the police who then tried to disperse them with tear gas.

在西北部锡勒亚奈，抗议者燃烧轮胎，对警察投掷石块，警方动用催泪弹来驱散他们。