Possible Clues:

• Setter's got his set - buzz off!
• Get lost in Iraq? The setter's vessel has power cut
• Get lost among diggers, perhaps, with setter's upper garments half destroyed
• Get away with a summit, regularly cancelled, being put back
• After losing face, North Korean leader's greeting is 'Go away!'
• Get lost in Rheims, hitch-hiking
• Manic Irishman ran out to deliver: 'Go away!'
• Go away from army in denim shirt
• Is with him playing go!
• Depart for Arabia in pilgrim ship