In Iraq, at least 21 people were killed in a suicide car bombing in Tuz Khurmatu, a town in the northern part of the country. <br/><br/>According to local security and medical sources, dozens more were wounded. <br/><br/>Tuz Khurmatu is one of the several towns that witnessed violent clashes when the Iraqi government deployed the military in response to a referendum in which Kurds overwhelmingly voted for secession from Iraq.