Lawful and Unlawful Food - Section 1 Mishkat al-Masabih 4119

Arabic hadith text
وَعَن أم شريك: أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَمَرَ بِقَتْلِ الْوَزَغِ وَقَالَ: «كَانَ يَنْفُخُ عَلَى إِبْرَاهِيم»
Translation

Umm Sharik told that God’s messenger ordered geckos to be killed, saying the gecko blew on Abraham.1 1. Al-Qur’an 21:68 speaks of Abraham being put into a fire. In this tradition it is said that the gecko blew on the fire to stir it up.(Bukhari and Muslim.)