Narrated ‘Abdullah bin Mas’ud:
The Prophet faced the Ka’ba and invoked evil on some people of Quraish, on Shaiba bin Rabi’a, ‘Utba bin Rabi’a, Al-Walid bin ‘Utba and Abu Jahl bin Hisham. I bear witness, by Allah, that I saw them all dead, putrefied by the sun as that day was a very hot day.
Sahih Bukhari, Volume 5, Book59, Number 297