The Book of Pilgrimage (Kitab Al-Hajj)

Muslim :: Book 7 : Hadith 3160

'Asim reported: I asked Anas (Allah be pleased with him) whether Allah's Messenger (may peace be upon him) had declared Medina as sacred. He said: Yes, it is sacred, so its tree is not to be cut; and he who did that let the curse of Allah and that of the angels and of all people be upon him.

Source materials are from the University of Southern California MSA site
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