What did the Prophet Muhammad (saw) command the people of Medina, Syria, Najd and Yemen to do at different locations?
 Ibn 'Umar (Allah be pleased with them) reported that the Messenger of Allah (may peace be upon him) had commanded the people of Medina to enter upon the state of Ihram at Dhu'l-Hulaifa; the people of Syria at Juhfa; the people of Najd at Qarn (al-Manazil). 'Abdullah b. 'Umar (Allah be pleased with them) said:                      I was informed that he said that the people of Yemen should enter upon the state of Ihram at Yalamlam.