Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/20/15

भक्षणार्थं गतौ तत्र कुद्धेन सुमहात्मना।। सुतीक्ष्णेन सुतपसाऽगस्त्यशिष्येण वै तदा।। १५।।

sanskrit

When they had been there for food, the infuriated disciple of Agastya, the noble Sutīkṣṇa of good penance reduced them to ashes.

english translation

bhakSaNArthaM gatau tatra kuddhena sumahAtmanA|| sutIkSNena sutapasA'gastyaziSyeNa vai tadA|| 15||

hk transliteration by Sanscript