Musnad Ahmad 538:22

Abdullah ibn Yazid narrated to us, Haywah narrated to us, Rabi'ah ibn Yazid al-Dimashqi informed me, from Abu Idris al-Khawlani, from Abu Tha'labah al-Khushani, that he said: I came to the Messenger of Allah, may Allah bless him and grant him peace, and said: "O Messenger of Allah, we are in the land of a people who are People of the Book; may we eat from their vessels? And we are in a land of hunting; I hunt with my bow, and I hunt with my trained dog, and I hunt with my dog that is not trained. So inform me what is permissible." He said: "As for what you mentioned, that you are in the land of the People of the Book, you may eat from their vessels. If you find other than their vessels, then do not eat from them. And if you do not find other than their vessels, then wash them, then eat from them. And as for what you mentioned, that you are in a land of hunting: if you hunt with your bow and mention the name of Allah, then eat. And what you hunt with your trained dog, then mention the name of Allah, then eat. And what you hunt with your dog that is not trained, if you reach its slaughter (while it is still alive), then eat."