Madinah, Dhu-AlHijjah 27, 1436, October 11, 2015, SPA -- Ahmed Mohammed Al-Hasan, the U.S. teenager inventor of Sudanese origin, visited on Sunday evening the Prophet's Mosque. He arrived in Madinah earlier today, accompanied by his family, coming from Makkah after performing Umrah rituals at the expense of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud. --SPA 23:46 LOCAL TIME 20:46 GMT www.spa.gov.sa/w