9. Muslim transgressors should not he fought in ways that will

cause widespread ruin and destruction, such as using fire, catapults that hurl heavy or burning objects, or other such weapons. (Unless it is necessary to do that, such as when they fortify themselves in a place and cannot be defeated otherwise. In that case, it is permissible for the d e r to attack them with catapults and fire, according to the view of ash-ShZa'i and Abn ~aneefah."') Their houses should not be burned, and their trees should not be cut down, whereas all of that is permissible in the case of fighting the disbelievers and polytheists.