مِشْكَاةُ الْمَصَابِيحِ
Mishkat al-Masabih 3512
Retaliation
Offences for which no Responsibility is Incurred - Section 1
وَعَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو قَالَ: سَمِعْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقُولُ: «مَنْ قُتِلَ دُونَ مَالِهِ فَهُوَ شهيدٌ»
‘Abdallah b. 'Amr told of hearing God’s Messenger say, “He who is killed protecting his property is a martyr.” (Bukhari and Muslim.)
Mishkat al-Masabih, 3512مُتَّفَقٌ عَلَيْهِ (الألباني)