Surah Al-Qasas, Verse 33

قَالَ رَبِّ إِنِّي قَتَلۡتُ مِنۡهُمۡ نَفۡسٗا فَأَخَافُ أَن يَقۡتُلُونِ٣٣

qāla rabbi innī qataltu min'hum nafsan fa-akhāfu an yaqtulūni

He said, "My Lord, indeed I killed from among them someone, and I fear they will kill me.