An explosion has hit a state security bus carrying presidential guards in Tunisia's capital, Tunis, state TV reports.
At least 11 people have been killed in the blast, the interior ministry said.
The cause of the explosion in main avenue of the capital is not immediately clear.
Tunisia has been targeted by ISIL/Da'esh, including an attack by a gunman in June, killing 39, mostly foreign tourists.
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Explosion on a bus carrying president's security in Tunisia's capital, Tunis
Witness says two buses carrying presidential guards were caught in the explosion
A prestigious fashion show has been cancelled in Niger over terror fears
Tanzania's new president cancels independence day celebrations
President Zine El Abidine Ben Ali will address the nation at 2045 local time.
