At least 10 people have been killed and 45 others injured after a series of car bomb attacks rocked different areas in the Iraqi capital city of Baghdad, officials say.Iraqi security and medical officials reported on Wednesday that the car bombs went off in the Kadhimiyah and Sadr City neighborhoods in northern Baghdad as well as in Mashtal and Baghdad Jadida located in the eastern part of the city. According to the officials, some 45 people have also been wounded in the attacks on four areas, which are mostly inhabited by Shia Muslims. Reports further indicated that the sound of explosions could be heard in central Baghdad. Terrorist attacks remain common in Iraq, killing more than 200 people in each of the first four months of this year, although violence across the country has fallen from its peak in 2006 and 2007. The United Nations Assistance Mission for Iraq (UNAMI) said on May 2 that April has been the deadliest month in Iraq since 2008 as terrorist acts have killed over 700 people and injured more than 1,600 across the country. The mission also said Baghdad was the worst affected governorate with a total of 211 killed and 486 injured.