Ramayana
महादासीत्ततस्तेषां तुल्यं स्थानमवाप्य तत् । आकाशयुद्धं तुमुलं देवदानवयोरिव ॥ 7-23-34 ॥
Then, having attained a position equal to his, there was a great and tumultuous battle of theirs in the sky, like that between the gods and the danavas.
english translation