ENOfficial
‘Abd ar-Rahman b. ‘Uthman at-Taimi said that God’s Messenger prohibited taking what a pilgrim has dropped. Muslim transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَبْدِ الرَّحْمَنِ بْنِ عُثْمَانَ التَّيَمِيِّ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ نَهَى عَن لقطَة الْحَاج. رَوَاهُ مُسلم
sunnah.com