Doha, February 08 (QNA) - H.H the Emir Sheikh Hamad bin Khalifa al Thani will head to Riyadh on Tuesday, for a one-day fraternal visit to the Kingdom of Saudi Arabia. During the visit, H.H. the Emir will hold talks with the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz al Saud of Saudi Arabia on bilateral ties, besides regional and international issues of mutual interest. (QNA)