Valmiki Ramayana Bala Kanda Sarga 71 Shloka 18
Original Shlokaतस्याप्रदानाद्ब्रह्मर्षे युद्धमासीन्मया सह। स हतोऽभिमुखो राजा सुधन्वा तु मया रणे।।1.71.18।।
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ब्रह्मर्षे O Brahmarshi, अप्रदानात् by not offering, तस्य for him, मया सह with me, युद्धम् असीत् great conflict broke, रणे in the battle, अभिमुख: he in an encounter, स: that, सुधन्वा राजा king Sudhanva, मया by me, हत: killed.
O Brahmarshi when I refused, a great conflict broke out between him and me. In the encounter king Sudhanva was killed by me.