<sod >Turkey hasÂ launched air strikes on Kurdish positions in northern Iraq afterÂ a car bomb inÂ Ankara killedÂ at least 28 people.< eod>< sod > Turkey hasÂ launched Â overnight air strikes on Kurdish militant campsÂ in northern Iraq hours afterÂ a car bomb inÂ Ankara killedÂ at least 28 people.< eod>