TUNIS: Saudi Arabias Crown Prince Mohammed bin Salman left Tunisia early Wednesday for Argentina, ending his four-nation Middle East and North Africa tour, he Saudi Press Agency said. He will attend the 10th summit of the leaders of the worlds top 20 economies, which is being hosted by Argentina this year. The summit in Buenos Aires will be held on Friday and Saturday. The crown prince arrived in Tunis on Tuesday, where he was received by President Beji Caid Essebsi. The day before, he met with Egyptian President Abdel Fatah El-Sisi. hHe started his tour in Bahrain, followed by the United Arab Emirates.