Sunan Abi Dawud 5251
سنن أبي داود#5251Da'ifNarrated Al-Abbas ibn AbdulMuttalib: Al-Abbas said to the Messenger of Allah (ﷺ): We wish to sweep out Zamzam, but in it there are some of these Jinnan, meaning small snakes; so the Messenger of Allah (ﷺ) ordered that they should be killed
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiDaif
In-book reference: 43:479