Sahih Al Bukhari Hadith Number 1714

Narrated Anas: The Prophet (peace be upon him) offered four rak`at of Zuhr prayer at Medina; and two rak`at of `Asr prayer at Dhil- Hulaifa and spent the night there and when (the day) dawned, he mounted his Mount and started saying, “None has the right to be worshipped but Allah, and Glorified be Allah.” When he reached Al- Baida’ he recited Talbiya for both Hajj and `Umra. And when he arrived at Mecca, he ordered them (his companions) to finish their Ihram. The Prophet (peace be upon him) slaughtered seven Budn (camel) with his own hands while the camels were standing He also sacrificed two horned rams (black and white in color) at Medina.