Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 36
Sanskrit:
रुक्मिणैवमधिक्षिप्तो राजभिश्चोपहासित: ।क्रुद्ध: परिघमुद्यम्य जघ्ने तं नृम्णसंसदि ॥ ३६ ॥
ITRANS:
rukmiṇaivam adhikṣiptorājabhiś copahāsitaḥkruddhaḥ parigham udyamyajaghne taṁ nṛmṇa-saṁsadi
Translation:
Thus insulted by Rukmī and ridiculed by the kings, Lord Balarāma was provoked to anger. In the midst of the auspicious wedding assembly, He raised His club and struck Rukmī dead.