An <a href="https://en.wikipedia.org/wiki/May_2013_Iraq_attacks" id="mwAW4" rel="mw:WikiLink" title="May 2013 Iraq attacks">upsurge in violence</a> in <a href="https://en.wikipedia.org/wiki/Iraq" id="mwAW8" rel="mw:WikiLink" title="Iraq">Iraq</a> leaves more than 389 people dead over three days.