Police have used teargas to disperse hundreds of Tunisians protesting against a niqab ban and the screening of a film they said denigrated Islam.

Forces loyal to Muammar Gaddafi are staging a "massacre" in Misrata, evacuees said on Monday, as Libya said it was ready to discuss political reform.

At least two people were killed and 17 others wounded in northern Tunisia on Saturday when police opened fire to quell a protest.

Gunshots were heard in Tunis on Thursday, a Reuters reporter said, after one man was killed in clashes with police in the city overnight.