COLOMBO (News 1st); U.S. President Donald Trump and His Royal Highness Prince Mohammed bin Salman bin Abdulaziz Al Saud, the Crown Prince and Prime Minister of the Kingdom of Saudi Arabia,, signed a strategic economic partnership agreement in Riyadh during Trump's regional visit.According to the Saudi Press Agency (SPA), the summit focused on reviewing bilateral relations between Saudi Arabia and the US, enhancing the strategic partnership betwee...