At least 52 people are killed and more than 250 injured in a <a href="https://en.wikipedia.org/wiki/20_March_2012_Iraq_attacks" id="mwARs" rel="mw:WikiLink" title="20 March 2012 Iraq attacks">wave of terror attacks</a> across ten cities in <a href="https://en.wikipedia.org/wiki/Iraq" id="mwARw" rel="mw:WikiLink" title="Iraq">Iraq</a>.