The uptick in violence has coincided with three weeks of demonstrations in Sunni provinces, including Anbar and Mosul, with protesters demanding that the Shiite-led government stop what they call second-class treatment of Iraq's Sunni community.
MORE: http://www.cnn.com/2013/01/23/world/meast/iraq-bombing/index.html?hpt=hp_bn2
See also...
Car bombs explode across Iraq
http://www.cnn.com/2013/01/17/world/meast/iraq-violence/index.html
