Yahya related to me from Malik from Ibn Shihab from Salim ibnAbdullah from Abdullah ibn Umar that the Messenger of Allah, may Allahbless him and grant him peace, prayed maghrib and isha together atMuzdalifa. (RU)
USC-MSA web (English) reference: Book 20, Hadith 205 (RU)
Arabic reference (RU): Book 20, Hadith 904 (RU)