Muhammad bin Abi Adi narrates from Dawud up to 'and the traces of their fires,' then he says that Dawud said: I do not know whether it is in the hadith of Alqamah or in the hadith of Amir that they asked the Messenger of Allah (peace and blessings be upon him) for provision that night; then he mentioned it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 530