KABUL, Afghanistan, Safar 1, 1433, Dec 26, 2011, SPA - A gunman wearing an Afghan army uniform opened fire on coalition troops in western Afghanistan, military authorities said Monday. An official said several NATO troops were wounded in the shooting and the gunman was killed, according to a report of the Associated Press. NATO and Afghan authorities were investigating the shooting, which took place Saturday at an outpost in Bala Boluk district, about 340 miles (700 kilometers) west of Kabul, said Afghan Defense Ministry spokesman Gen. Mohammad Zahir Azimi. A NATO statement said there were no fatalities among alliance soldiers, adding that it was its policy not to comment on other casualties. --SPA 12:54 LOCAL TIME 09:54 GMT www.spa.gov.sa/955962