Śrīmad-Bhāgavatam · Text 10.44.21
Who is speaking and story frame
स श्येनवेग उत्पत्य मुष्टीकृत्य करावुभौ । भगवन्तं वासुदेवं क्रुद्धो वक्षस्यबाधत ॥ २१ ॥
sa śyena-vega utpatya
muṣṭī-kṛtya karāv ubhau
bhagavantaṁ vāsudevaṁ
kruddho vakṣasy abādhata
Furious, Cāṇūra attacked Lord Vāsudeva with the speed of a hawk and struck His chest with both fists.
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.