A bomber wearing an explosive belt blew himself up in Dyala killing one woman while a car explosion in Mosul, northern Iraq, left no casualties, Iraqi police said on Friday.A police source told the Kuwait News Agency (KUNA) that the bomber targeted a local official opposing Al-Qaeda in Al-Mekdadia, Dyala, northeast of the country. A woman passer-by was killed and four others were injured. Meanwhile, the Mosul police said a booby-trapped car left near a car park east of the city exploded today. According to the police forces, the explosion conducted by a remote control left no casualties.