An Afghan police chief says a roadside bomb hit a group of people traveling to a wedding in southern Afghanistan and, 21 civilians were killed. The Afghan Ministry of Defense confirmed the Wednesday attack and said at least 20 people were killed. Helmand provincial police chief Assadullah Sherzad says women and children were among the dead in Garmser district, where roadside bombs are frequently used to attack foreign and Afghan forces. Thousands of U.S. Marines and British soldiers are conducting offensives in Helmand, one of the centers of the Taliban insurgency. Sherzad says five people were wounded.