A hooded police officer prevents media from aproaching the scene of a bus explosion in the center of the capital, Tunis, Tunisia, Tuesday, Nov. 24, 2015. An explosion struck a bus carrying members of Tunisia's presidential guard in the country's capital Tuesday, killing at least 12 people and wounding more than a dozen others in what the Interior Ministry called a “terrorist act.”
A hooded police officer prevents media from aproaching the scene of a bus explosion in the center of the capital, Tunis, Tunisia, Tuesday, Nov. 24, 2015. An explosion struck a bus carrying members of Tunisia's presidential guard in the country's capital Tuesday, killing at least 12 people and wounding more than a dozen others in what the Interior Ministry called a “terrorist act.” Hassene Dridi AP
A hooded police officer prevents media from aproaching the scene of a bus explosion in the center of the capital, Tunis, Tunisia, Tuesday, Nov. 24, 2015. An explosion struck a bus carrying members of Tunisia's presidential guard in the country's capital Tuesday, killing at least 12 people and wounding more than a dozen others in what the Interior Ministry called a “terrorist act.” Hassene Dridi AP