Tunis declares curfew after 'Islamist' rioting

Tunisia has declared an overnight curfew on eight regions, including the capital, an interior ministry official says, in the wake of serious rioting.

The eight-hour curfew was introduced after several violent attacks in protest at an art exhibition.

The government has blamed ultra-conservative Islamists known as Salafists for the violence, in which police stations were set on fire.

But the Salafists have denied being involved in the rampage.

Chloe Arnold reports.