Sahih Al Bukhari – Book of Oppressions
Volumn 003, Book 043, Hadith Number 632.
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Narated By Said bin Zaid RA : Allah's Apostle PBUH said, "Whoever usurps the land of somebody unjustly, his neck will be encircled with it down the seven earths (on the Day of Resurrection). "
Junaid Tahir