Sunan Ibn Majah 455
سنن ابن ماجه#455SahihIt was narrated from Khalid bin Walid, Yazid bin Abu Sufyan, Shurahbil bin Hasanah and 'Amr bin 'As that:They all heard the Messenger of Allah say: 'Complete the ablution. Woe to the heels because of Hell-fire
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiSahih
In-book reference: 1:189