It was authentically reported on the authority of Ibn ‘Abbas, may Allaah be pleased with them, that the Prophet, sallallaahu ‘alayhi wa sallam, sent Mu’adh, may Allaah be pleased with him, to Yemen and said to him, “Beware of the supplication of the oppressed, for there is no barrier between it and Allah." [Narrated by Al-Bukhari..
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