Yahya related to me from Malik from Yahya ibn Said from Said ibnal-Musayyab that Umar ibn al-Khattab killed five or seven people forone man whom they had killed secretly by trickery. Umar said, "Had allthe people of Sana joined forces against him, I would have killed themall."
USC-MSA web (English) reference: Book 43, Hadith 13
Arabic reference: Book 43, Hadith 1593