The Latest: Blast strikes Tunisia presidential guard bus

TUNIS, Tunisia (AP) - The latest on an explosion that targeted a bus carrying Tunisian presidential guards in the capital. All times local.

5:55 p.m.

Tunisia's Interior Ministry says an explosion has struck a bus carrying the presidential guard on the main avenue in Tunis.

A Tunisian national TV station Watanya says there were several victims in Tuesday's afternoon blast, but it was not immediately clear whether there were fatalities. The blast occurred on the tree-lined avenue in the center of the capital, Tunis.