Each opponent must discard one unoccupied site. If this causes the rescuer to lose access, rescue attempt fails. Errata/Play As: Each opponent must choose and discard one of his unoccupied sites. If this causes the rescurer to lose access, rescue attempt fails.
Ezekiel 30:12 - And I will make the rivers dry, and sell the land into the hand of the wicked: and I will make the land waste, and all that is therein, by the hand of strangers: I the LORD have spoken it.