It has been narrated on the authority of Abu Huraira that the Messenger of Allah (ﷺ) said:
No two such persons shall be together in Hell as if one of them is such that his presence hurts the other. It was asked: Messenger of Allah, who are they? He said: A believer who killed a disbeliever and (then) kept to the right path."
Reference: Sahih Muslim 1891 b In-book : Book 33, Hadith 192 USC-MSA web (English) : Book 20, Hadith 4662 (deprecated)
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