Miqsam and Sa'id bin Jubayr (may Allah have mercy on them both) narrated that the Prophet (peace and blessings be upon him) said on the Day of the Trench (Khandaq): "They kept us occupied from the middle prayer. May Allah fill their graves and their bellies with fire."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 12316