A hidden bomb killed 30 Sunni worshipers , and wounded 52 others at a mosque near Baquba , Iraq , on Friday at 1 p.m. , police and health officials said . The Abu al-Qassim Mohammed , a Sunni Mosque in Umm al-Adham district , is about 3 miles ( 5 kilometers ) west of Baquba which is about 37 miles ( 60 kilometers ) northeast of Baghdad . The bomb was hidden inside the mosque AC ducts and stuffed with metal ball bearings , police officials told CNN . Today 's attack that targeted is the latest in a series of attacks targeting Sunni and Shiite mosques over the past few months . In a separate attack , a bomb in Qara Tapa , about 75 miles ( 120 kilometers ) north of Baquba , killed one person and wounded four others at a Sunni mosque . In Mosul , about 400 km north of Baghdad , five people were killed in three separate incidents . The deadliest attack happened when a car bomb exploded at the of the head of Nineveh provincial council 's convoy and killed three of his bodyguards . On Wednesday a suicide bomber blew himself up amid a crowd of worshipers at a Shiite mosque in Baghdad , killing at least 30 people and wounding 55 , police said . The bomber wore an explosive vest , which he detonated Wednesday evening in the northwestern al-Kassra neighborhood , police officials said . The force of the blast damaged not only the mosque , but several buildings nearby , police said . Iraq has seen a sharp increase in friction between its Shiite and Sunni populations since April , when Iraqi security forces raided a site used by Sunni protesters to demonstrate against the Shiite-led government . Sunnis have felt politically marginalized under Shiite President Nuri al-Maliki , whose government fears that Sunni Islamists involved in fighting in neighboring Syria are now targeting it . More than 800 Iraqis were killed and another 2,030 wounded in violence and acts of terrorism in August , the United Nations said .
Bomb was hidden in AC ducts of Sunni mosque . Recommend0 On Wednesday a suicide bomber killed 30 at Shiite mosque in Baghdad .