Abu Dawud Book 25, Hadith Number 3960.

Chapter : Not known.

Narated By Abdullah ibn Abbas : The verse “And no Prophet could (ever) be false to his trust” was revealed about a red velvet. When it was found missing on the day of Badr, some people said; Perhaps the Apostle of Allah (PBUH) has taken it. So Allah, the Exalted, sent down “And no prophet could (ever) be false to his trust” to the end of the verse.

Abu Dawud said: In the words yaghulla the letter ya has a short vowel a.