Valmiki Ramayana Yuddha Kanda Sarga 31 Shloka 25
Original Shlokaविभीषणस्समुत्पत्यनिगृहीतोयदृच्छया । दिशःप्रव्राजितस्सर्वैस्सर्लक्ष्मणःप्लवगैस्सहा ।।6.31.25।।
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यदृच्छया by chance, विभीषणः Vibheeshana, समुत्पत्य when rose up, निगृहीतः caught hold, लक्ष्मणः Lakshmana, प्लवगैःसह along with Vanaras, दिशम् directions, प्रव्राजितः fled.
"When Vibheeshana rose up he was caught by chance. Lakshmana and Vanaras fled in all directions."