Mahabharata 16.4.34

हतं दृष्ट्वा तु शैनेयं पुत्रं च यदुनन्दनःएरकाणां तदा मुष्टिं कोपाज्जग्राह केशवः

hataṃ dṛṣṭvā tu śaineyaṃ putraṃ ca yadunandanaḥerakāṇāṃ tadā muṣṭiṃ kopājjagrāha keśavaḥ

Our plain-language meaning of this verse is waiting for scholar review.