Yahya related to me from Malik that he had heard that Abdullahibn Abbas and Ubada ibn as-Samit and al-Qasim ibn Muhammad andAbdullah ibn Amir ibn Rabia had all prayed witr after the break ofdawn. (ID)
App reference (ID): Book 7, Hadith 24 (ID)
USC-MSA web (English) reference: Book 7, Hadith 24 (ID)
Arabic reference (ID): Book 7, Hadith 278 (ID)