Security officials say three worshippers have been killed and seven others wounded when a bomb detonated close to a mosque near the Iraqi capital.The incident took place on Friday in the city of Mahaweel, located 55 kilometers (35 miles) south of Baghdad, as worshippers were leaving the al-Sultan mosque. There was no immediate claim of responsibility for the attack. Also on Friday, a bomb explosion struck an army patrol in Baghdad’s western neighborhood of Abu Ghraib, killing one soldier and critically wounding three others. At least 16 people were injured on Thursday when twin bomb explosions tore through a public café in the city of Tuz Khurmatu, situated about 175 kilometers (110 miles) north of the capital. The force of the explosions damaged a number of shops in the area. Police cordoned off the site after the blasts, and launched an investigation. No group has claimed responsibility for the acts of violence so far. On May 7, at least 8 people were killed and 38 others wounded in a series of bombings and gun attacks across Iraq. On May 2, the United Nations Assistance Mission for Iraq (UNAMI) said that April 2013 was Iraq's deadliest month since June 2008, with a total of 712 people killed and 1,633 wounded in bomb attacks and other forms of violence. Almost 600 of the victims are reported to be civilians and the rest were members of Iraqi security forces. The mission also said Baghdad was the worst affected governorate with a total of 211 killed and 486 injured.