French police hunts Strasbourg shooter after 4 killed near Christmas market

French Interior Minister Christophe Castaner (C) inspects the site of attack in the center of Strasbourg, France on Dec. 12, 2018. French police are looking for a gunman after he killed at least four people and wounded 13 others Tuesday evening near a Christmas market in Strasbourg on the German border. (Xinhua/Ye Pingfan)