Seven people were killed and 14 others wounded in three bomb attacks in the Iraqi capital of Baghdad, an Interior Ministry source said on Sunday. Five policemen were killed and seven people were injured in twin roadside bomb explosions late on Saturday near a police patrol in Baghdad\'s eastern neighborhood of Ghadeer, the source told Xinhua on condition of anonymity. Lieutenant Colonel Awad al-Fatlawi, chief of a police station, was among the killed and three policemen were among the wounded, the source said. In a separate incident, a sticky bomb attached to a civilian car detonated near a Sunni mosque in Tarmiyah area, some 40 km north of Baghdad, killing two people and wounding five others, the source added. The victims were all worshippers who just left the mosque after the night prayer of the Muslim holy month of Ramadan, he said. On Sunday morning, a sticky bomb attached to the civilian car detonated in Jadriyah neighborhood in southern Baghdad, wounding two people aboard, he added. Violence and sporadic attacks are still common in the Iraqi cities despite the dramatic decrease of violence over the past few years.