Crown Prince Mohammed bin Naif bin Abdulaziz, Deputy Premier and Interior Minister, arrived in Riyadh today, coming from Bahrain after attending the final exercise of the security forces of the GCC "Arabian Gulf Security 1," patronized by King Hamad bin Isa Al Khalifa of Bahrain. Prince Mohammed bin Naif bin Abdulaziz was seen off by Crown Prince of Bahrain Prime Minister Prince Salman bin Hamad bin Isa Al Khalifa, who is also Deputy Supreme Commander of Bahrain defense forces, and First Deputy Prime Minister of Bahrain and a number of senior officials.