Srimad-Bhagavatam: Canto 6 - Chapter 1 - Verse 7
Sanskrit:
तेन देवगणा: सर्वे वृत्रविस्फोटनेन वै ।निपेतुर्मूर्च्छिता भूमौ यथैवाशनिना हता: ॥ ७ ॥
ITRANS:
tena deva-gaṇāḥ sarvevṛtra-visphoṭanena vainipetur mūrcchitā bhūmauyathaivāśaninā hatāḥ
Translation:
When all the demigods heard Vṛtrāsura’s tumultuous roar, which resembled that of a lion, they fainted and fell to the ground as if struck by thunderbolts.