Sahih Muslim | Book 19 | Hadith Number 4325

Narrated by Ibn Umar
It is narrated on the authority of Ibn Umar that the Messenger of Allah (may peace be upon him) caused the date-palms of Banu Nadir to be cut down and burnt. It is in this connection that Hassan (the poet) said:

It was easy for the nobles of Quraish to barn Buwaira whose sparks were flying in all directions.

in the same connection was revealed the Qur'anic verse: "Whatever trees you have cut down or left standing on their trunks.