Śrīmad-Bhāgavatam · Text 10.28.3
Who is speaking and story frame
चुक्रुशुस्तमपश्यन्त: कृष्ण रामेति गोपका: । भगवांस्तदुपश्रुत्य पितरं वरुणाहृतम् । तदन्तिकं गतो राजन्स्वानामभयदो विभु: ॥ ३ ॥
cukruśus tam apaśyantaḥ
kṛṣṇa rāmeti gopakāḥ
bhagavāṁs tad upaśrutya
pitaraṁ varuṇāhṛtam
tad-antikaṁ gato rājan
svānām abhaya-do vibhuḥ
O King, not seeing Nanda Mahārāja, the cowherd men loudly cried out, “O Kṛṣṇa! O Rāma!” Lord Kṛṣṇa heard their cries and understood that His father had been captured by Varuṇa. Therefore the almighty Lord, who makes His devotees fearless, went to the court of Varuṇadeva.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.