Sunan Abi Dawud 23101
In-book no 2597حَدَّثَنَا هَنَّادٌ، عَنِ ابْنِ الْمُبَارَكِ، عَنْ عِكْرِمَةَ بْنِ عَمَّارٍ، عَنْ إِيَاسِ بْنِ سَلَمَةَ، عَنْ أَبِيهِ، قَالَ غَزَوْنَا مَعَ أَبِي بَكْرٍ - رضى الله عنه - زَمَنَ النَّبِيِّ صلى الله عليه وسلم فَكَانَ شِعَارُنَا أَمِتْ أَمِتْ .
Ilyas bin Salamah(bin Al Akwa’) said on the authority of his father “We went on an expedition with Abu Bakr (Allaah be pleased with him) in the time of the Apostle of Allaah(ﷺ) and our war cry was “Put to death” “Put to death”.”