Śrīmad-Bhāgavatam · Text 10.15.36
Who is speaking and story frame
तत: कृष्णं च रामं च ज्ञातयो धेनुकस्य ये ।
क्रोष्टारोऽभ्यद्रवन् सर्वे संरब्धा हतबान्धवा: ॥ ३६ ॥
tataḥ kṛṣṇaṁ ca rāmaṁ ca
jñātayo dhenukasya ye
kroṣṭāro ’bhyadravan sarve
saṁrabdhā hata-bāndhavāḥ
The other ass demons, close friends of Dhenukāsura, were enraged upon seeing his death, and thus they all immediately ran to attack Kṛṣṇa and Balarāma.
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.