Gunmen killed four policemen and wounded at least nine more in separate attacks Wednesday. In Baghdad, gunmen killed Capt. Hazim Jabbar, a member of the police special commando brigade, in the west of the city, police said. Jabbar had worked as a bodyguard for a consultant to former interim Prime Minister Ayad Allawi, police said. Two other police commandos were killed in separate incidents in another west Baghdad neighborhood, police said. Nine police, including a brigadier general, were injured in a series of attacks throughout the capital.