A suicide bomber driving a minibus blew himself up outside a cafe in a mainly Shi'ite Muslim district of the Iraqi capital on Sunday Cheap Penn State Nittany Lions Shirts , killing at least 38 people, police and medics said.
At least 12 people were killed in a spate of suicide bomb attacks on security personnel and government buildings earlier in the day, police said.
Violence in Iraq, which had eased after reaching a climax in 2006-07, is now rising again, with more than 7 Cheap South Carolina Gamecocks Shirts ,000 civilians killed this year, according to monitoring group Iraq Body Count.
There was no immediate claim of responsibility for any of the attacks, but Shi'ites are viewed as apostates by Sunni Islamist militants whose insurgency has revived this year.
The explosion on Sunday evening took place in Baghdad's Amil neighbourhood.
""The cafe was full of people watching a football game and others smoking shisha (water pipe) when a minibus drove over the pavement and exploded right at the entrance to the cafe,"" said Ali Mahdi, a policeman whose patrol was stationed nearby.
""At first people in the cafe thought it was a drunk driver, until the blast tore them apart Cheap Texas Longhorns Shirts , covering the ground with chunks of human flesh and severed limbs.""
Sectarian tensions in Iraq and the wider Middle East have been exacerbated by the Syrian civil war, which has drawn Sunnis and Shi'ites from across the region and beyond into battle.
Al Qaeda's Iraqi affiliate was forced underground in 2007 but has been invigorated by the war in Syria and by growing Sunni resentment of Iraq's Shi'ite-led government, which came to power after the U.S.-led invasion in 2003.
Sunnis feel their minority sect has lost out since the overthrow of Saddam Hussein, and many took to the streets in protest late last year.
A deadly raid by security forces on a protest camp in April touched off a violent backlash by militants who often target security personnel and others working for the government.
In what appeared to be coordinated attacks, bombers, some driving cars packed with explosives Cheap Ucla Bruins Shirts , attacked sites in the town of Rawa, 260 km (160 miles) northwest of Baghdad. Another bomber hit a busy street in the northern city of Samarra.
One attacker drove a car to a checkpoint on the main road into Rawa and blew