Kandahar, June 13 (SPA) - Four U.S. soldiers were wounded when an explosion struck a military convoy near the southern Afghan city of Kandahar on Monday, in the latest insurgent violence to hit the country, the U.S. military said. The military denied Afghan police and army reports that at least five Americans were killed in the attack in an area called Mirwais Mina, 10 km (6 miles) from Kandahar city. Reuters quoted U.S. military spokesman Colonel Jim Yonts as saying that an investigation was under way to determine whether the attack was caused by a suicide bomber or by an explosive device such as a mine. "We have verified that four U.S. soldiers were injured, one seriously. There were no U.S. service members killed," he said. --SPA 1140 Local Time 0840 GMT www.spa.gov.sa/269486