Egypt's President Abdel-Fattah al-Sisi has arrived on Saturday in Saudi capital Riyadh, three days after a major royal shakeup in the oil-rich kingdom.On Wednesday, Saudi King Salman bin Abdulaziz named a new crown prince, deputy crown prince and foreign minister.Al-Sisi was welcomed at the Riyadh Airbase Airport by New Crown Prince Mohamed bin Nayef and Deputy Crown Prince Mohamed bin Salman, according to the official SPA news agency.The Egyptian leader is expected to hold talks with King Salman on bilateral relations and a host of issues of mutual concern, the agency said.The Egyptian Presidency said that al-Sisi will extend his congratulations to bin Nayef and bin Salman for their appointments heirs to the throne.Saturday's visit is the third by al-Sisi to Saudi Arabia this year.Saudi Arabia was among the first Arab countries that welcomed the ouster of democratically elected former President Mohamed Morsi in mid-2013, through a military coup lead by al-Sisi, who was then an army general. The oil-rich kingdom has funnelled billions of dollars to help Egypt's economy since Morsi's overthrow.