The Tunisian army and security forces arrested eight foreign nationals including four Germans, the Tunisian television reported Sunday.
Tunisian TV showed footage of the men arrested, as well weapons, maps, electronic equipment and identity papers. The group was travelling on board three taxis, when they were intercepted. They are said to have entered Tunisia on Jan. 9. Some of them were wearing military outfits.
During the day, Tunisian TV also reported the arrest of several armed gangs travelling onboard utility vans in many areas of the capital.
Authorities are warning people to stay clear of windows and rooftops to avoid being the targets of snipers that have been reported in several locations around Tunis.
In a related event, Tunisian television also said that the country's national unity government will be announced on Monday.
Emergency measures were eased on Sunday, and the curfew was changed to between 6 pm (1700 GMT) and 5 am (0400 GMT).