From Sahih Bukhari (Hadith 3977):
Narrated Ibn `Abbas:regarding the Statement of Allah:--"Those who have changed Allah's Blessings for disbelief..." (14.28) The people meant here by Allah, are the infidels of Quraish. (`Amr, a sub-narrator said, "Those are (the infidels of) Quraish and Muhammad is Allah's Blessing. Regarding Allah's Statement:"..and have led their people Into the house of destruction? (14.29) Ibn `Abbas said, "It means the Fire they will suffer from (after their death) on the day of Badr
Reference: Bukhari 3977