Israeli Military Says 13 Soldiers Killed In Gaza

The hard line government don’t care about “cannon fodder” or “collateral damage”. Unless the good people of Israel stop them, they will play this game for their own satisfaction.

I can see where Abbas might be concerned that Israel would use this as an opportunity to separate families. For instance, could Israel be trusted to allow the transfer of all who sought evacuation to the West Bank AND their return after the bombing?

The bottom line here is that Israel is already in violation of the Fourth Geneva Convention part 3, paragraph 2:

If therefore an area is in danger as a result of military operations or is liable to be subjected to intense bombing, the Occupying Power has the right and, subject to the provisions of Article 5 [ Link ] , the duty of evacuating it partially or wholly, by placing the inhabitants in places of refuge.

The same applies when the presence of protected persons in an area hampers military operations. Evacuation is only permitted in such cases, however, when overriding military considerations make it imperative; if it is not imperative, evacuation ceases to be legitimate.
It is stipulated that evacuation must not involve the movement of protected persons to places outside the occupied territory, unless it is physically impossible to do otherwise (6). Thus, as a rule evacuation must be to reception centres inside the territory.
The last sentence of the paragraph was added by the Diplomatic Conference (7); it stipulates that protected persons who have been evacuated are to be brought back to their homes as soon as the [p.281] hostilities in the area have ended.