When Sa'd b. Mu'adh suffered affliction on the day of Trench (i.e. the battle of Trench) a man shot an arrow in the vein of his hand. The Messenger of Allah (ﷺ) pitched a tent for him the mosque so that he might visit him from near.
Reference: Sunan Abi Dawud 3101 In-book : Book 21, Hadith 13 English translation : Book 20, Hadith 3095
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