It is narrated from Sayyiduna Ali (may Allah be pleased with him) that he addressed his companion Hayyan and said: I am sending you for the same task for which the Prophet (peace and blessings be upon him) sent me; do not leave any grave without leveling it, and do not leave any image without erasing it.
Hadith Referenceمسند احمد / مسند الخلفاء الراشدين / 1239
Hadith Gradingحکم دارالسلام:صحيح لغيره ، وهذا اسناد ضعيف لضعف أشعث بن سوار و حنش