Activists: Explosion in southern Syria kills 21

In this photo released by the Syrian official news agency SANA, Syrian President Bashar Assad, third left, prays on the first day of Eid al-Adha at the Sayeda Hassiba mosque, in Damascus, Syria, Tuesday, Oct. 15, 2013. (AP Photo/SANA)BEIRUT (AP) — Activists say an explosion struck a vehicle packed with passengers traveling in southern Syria overnight, killing at least 21 people, including four children.