Valmiki Ramayana Sundara Kanda Sarga 54 Shloka 6
Original Shlokaततः प्रदीप्तलाङ्गूलस्सविद्युदिव तोयदः। भवनाग्रेषु लङ्काया विचचार महाकपिः।।5.54.6।।
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ततः then, प्रदीप्तलाङ्गूलः with his burning tail, महाकपिः great monkey, सविद्युत् along with lightning, तोयदः इव rain cloudslike, लङ्कायाः of Lanka, भवनाग्रेषु on tops of the mansions, विचचार wandered.
The great Hanuman, with his burning tail wandered on tops of the mansions of Lanka, which looked like clouds with lightning.