Hadith 1753

'Aishah (May Allah be pleased with her) said: I heard the Messenger of Allah (PBUH) saying, "No Salat (prayer) should be performed when the food has been served, nor should it be performed when a person is in need of relieving himself."

[Muslim].

عن عائشة رَضِيَ اللهُ عنها، قالت: سَمِعْتُ رسولَ الله - صلى الله عليه وسلم - يقولُ: "لا صَلاَةَ بِحَضْرَةِ طَعَامٍ، وَلاَ وَهُوَ يُدَافِعُهُ الأَخْبَثَانِ". ((رواه مسلم‏)) ‏

Reference: 1717430
In-book reference: Book 17, Hadith 1753