Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 21

Sanskrit:

शूलं भौमोऽच्युतं हन्तुमाददे वितथोद्यम: ।तद्विसर्गात् पूर्वमेव नरकस्य शिरो हरि: ।अपाहरद् गजस्थस्य चक्रेण क्षुरनेमिना ॥ २१ ॥

ITRANS:

śūlaṁ bhaumo ’cyutaṁ hantumādade vitathodyamaḥtad-visargāt pūrvam evanarakasya śiro hariḥapāharad gaja-sthasyacakreṇa kṣura-neminā

Translation:

Bhauma, frustrated in all his attempts, took up his trident to kill Lord Kṛṣṇa. But even before he could release it, the Lord cut off his head with His razor-sharp cakra as the demon sat atop his elephant.

Purport:

According to Śrīla Viśvanātha Cakravartī, as Bhauma raised his invincible trident, Satyabhāmā, sitting on Garuḍa with the Lord, said to Kṛṣṇa, “Kill him right away,” and Kṛṣṇa did just that.