It is narrated from Hazrat Abdur Rahman bin Samrah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: Whoever commits looting is not one of us.
Hadith Referenceمسند احمد / أول مسند البصريين / 20626
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد حسن