(KUNA) -- Unknown gunmen assassinated Wednesday the Electricity Ministry's Director General for Projects Hashem Abdulrahman in central Baghdad, Iraqi police said. An Iraqi police source told Kuwait News Agency (KUNA) unidentified gunmen ambushed the senior official's vehicle in the Baghdad's Sulaikh area. The official and his bodyguard, the source added, were shot dead. The masked assassins escaped the scene of the crime. Meanwhile, the US Army said in a statement that its forces killed a "terrorist" and arrested 13 others during a five-day military operation in Arab Jabbour area, south of Baghdad.