Sayyiduna Ibn Abbas (may Allah be pleased with them both) said: "The Messenger of Allah (peace and blessings be upon him) was eating meat off a bone when the mu'adhdhin came for the prayer. He (peace and blessings be upon him) put it down and stood up for the prayer, and did not even touch water."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11171