Kabul, Rabi'II 29, 1434, Mar 11, 2013, SPA - An Afghan police officer opened fire inside a police station while US forces were visiting, sparking a firefight that killed two US troops and three Afghan policemen. Monday’s incident in Wardak province appears to be the latest in a series of insider attacks against coalition and Afghan forces. Deputy provincial police chief Abdul Razaq Koraishi said three Afghan officers were killed. A coalition military official said two US troops were killed, according to a report of the Associated Press. --SPA 14:28 LOCAL TIME 11:28 GMT www.spa.gov.sa/1086453