By Ece Toksabay ANKARA (Reuters) - Turkish fighter jets and ground forces hit Islamic State militants in Syria and Kurdistan Workers Party (PKK) camps in Iraq overnight on Saturday, in a campaign Ankara said would help create a "safe zone" across swathes of northern Syria. Turkey has dramatically cranked up its role in the U.S.-led coalition against Islamic State since a suspected IS suicide bomber killed 32 people earlier this week in a town close to the Syrian border, while pledging to also target Kurdish militants.











