مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2759
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) from the Prophet (ﷺ): “Whoever is killed striving to ward off an injustice done to him is a martyr."
Musnad Ahmad 2779Saheeh because of corroborating evidence, but it is munqati'