مسند احمد
Musnad Ahmad
مسند المكثرين من الصحابة
Musnad of the Prolific Narrators Among the Companions
مسند ابي هريرة رضي الله عنه
Musnad of Abu Hurayrah (may Allah be pleased with him)
Hadith Number: 10897
وقال: " الشهداء خمسة: المطعون , والمبطون , والغرق , وصاحب الهدم , والشهيد في سبيل الله" .
And he said: There are five types of martyrs: dying from plague is martyrdom, dying from a stomach disease is martyrdom, drowning in water is martyrdom, dying under a collapsed building is martyrdom, and being killed in jihad in the way of Allah is martyrdom.
حكم دارالسلام: إسناده صحيح، خ: 653، م: 1915