Varaha Purana 27.21

तच्छ्रुत्वा चक्रमादाय गरुडस्थो जनार्दनः । तमेव देशमागत्य युयुधे दानवैः सह ॥ २७.२१ ॥

tac chrutvā cakram ādāya garuḍastho janārdanaḥ | tam eva deśam āgatya yuyudhe dānavaiḥ saha || 27.21 ||

Hearing that, Janārdana, seated upon Garuḍa, took up the discus; arriving at that very place, he fought against the Dānavas.