Saudi Arabia's newly appointed King Salman arrives for the funeral of his half-brother late King Abdullah at the Al-Od cemetery in the centre of Riyadh on January 23, 2015 following his death in the early hours of the morning. Foreign leaders gathered in the Saudi capital for the funeral of the ruler of the world's top oil exporter and the spiritual home of Islam. AFP PHOTO / MOHAMMED MASHHUR        (Photo credit should read MOHAMMED MASHHUR/AFP via Getty Images)