Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 22
Sanskrit:
इति ब्रुवंश्चित्ररथ: स्वसारथिंयत्त: परेषां प्रतियोगशङ्कित: ।शुश्राव शब्दं जलधेरिवेरितंनभस्वतो दिक्षु रजोऽन्वदृश्यत ॥ २२ ॥
ITRANS:
iti bruvaṁś citra-rathaḥ sva-sārathiṁyattaḥ pareṣāṁ pratiyoga-śaṅkitaḥśuśrāva śabdaṁ jaladher iveritaṁnabhasvato dikṣu rajo ’nvadṛśyata
Translation:
In the meantime, while Dhruva Mahārāja, doubtful of his mystic enemies, was talking with his charioteer, they heard a tremendous sound, as if the whole ocean were there, and they found that from the sky a great dust storm was coming over them from all directions.