Bhagavatapurana 3.3.1

3.3.1

/0 uddhava uvāca
tataḥ sa āgatya puraṃ sva-pitroś cikīrṣayā śaṃ baladeva-saṃyutaḥ /
nipātya tuṅgād ripu-yūtha-nāthaṃ hataṃ vyakarṣad vyasum ojasorvyām //

1. Uddhava said:—Then Sri Krishna accompanied by Balarama, came to the city of Mathura, and with the desire of making His parents happy, with force pulled down Kamsa, the head of His enemies, from His high seat and killed him and dragged him along on the ground.