Penalty of Hunting while on Pilgrimmage

Bukhari :: Book 3 :: Volume 29 :: Hadith 70

Narrated Al-Bara:

The Prophet assumed Ihram for Umra in the month of Dhul-Qa'da but the (pagan) people of Mecca refused to admit him into Mecca till he agreed on the condition that he would not bring into Mecca any arms but sheathed.