Narrater: (Abbas bin Tamim) Hadidth No: (272)

that his uncle said: ''The Prophet was asked: If a person feels something during his prayer; should one interrupt his prayer?'' The Prophet said: No! You should not give it up unless you hear a sound or smell something.'' Narrated Ibn Abi Hafsa: Az-Zuhri said, ''There is no need of repeating ablution unless you detect a smell or hear a sound.''