As mourners gathered to pay tribute to the victims of a car bombing and shootout in Izmir, Turkish police announced the arrest of 18 people in connection with the attack.<br /><br /> A police officer and a court employee were killed by the blast outside the courthouse and nine others were wounded.<br /><br /> According to the Justice Minister there is ‘no doubt’ the Kurdistan Workers Party or PKK was behind the attack. <br /><br /> In recent months, Turkey has been targeted by both PKK and Islamic State militants, but so far no group has claimed responsibility for the assault in Izmir.<br /><br /> Turkey is part of the US-led coalition fighting ISIL in Syria, as well as battling an insurgency by the PKK in the largely Kurdish south-east.<br /><br /> The latest arrests came after police detained another 20 suspected Islamic State militants in Izmir linked to the New Year’s Eve nightclub attack in Istanbul.<br />
