ENOfficial
Abu Huraira reported God's messenger as saying, "The destruction of my people will be at the hands of young men of Quraish." Bukhari transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَبِي هُرَيْرَةَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «هَلَكَةُ أُمَّتِي عَلَى يَدَي غِلْمةٍ مِنْ قُرْيشٍ» . رَوَاهُ البُخَارِيّ
sunnah.com