Mahabharata 7.161.51

तथा संसक्तयुद्धं तदभवद्भृशदारुणम्अथ संध्यागतः सूर्यः क्षणेन समपद्यत

tathā saṃsaktayuddhaṃ tadabhavadbhṛśadāruṇamatha saṃdhyāgataḥ sūryaḥ kṣaṇena samapadyata

Our plain-language meaning of this verse is waiting for scholar review.