It is narrated from Umar bin Khattab (may Allah be pleased with him) that he heard the Messenger of Allah (peace and blessings of Allah be upon him) say: "I will certainly expel the Jews and Christians from the Arabian Peninsula, and will leave none but Muslims in it." Imam Tirmidhi says: This hadith is Hasan Sahih.

Narrated from Jarir bin Abdullah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) sent a detachment to the tribe of Khath'am. Some people (among the Muslims living among the disbelievers) sought protection by prostrating, yet they were hastily killed. When the Prophet (peace and blessings of Allah be upon him) was informed of this, he ordered half the blood money to be paid and said: "I am free from responsibility for every Muslim who lives among the polytheists." The people asked: "O Messenger of Allah! Why is that?" He said: "(A Muslim should reside at such a distance from the disbelievers that) they should not be able to see each other's (cooking) fires." __QUR_N__, __XREF_N__, __REF_N__