Israel begins ground operations

[Norseman]

I don't blame them. UN observers are worse than useless. They need peacekeepers with robust ROE.

The problem is that Hamas so far has no interest in peacekeepers:

Hamas' Politburo Chief, Khaled Mashaal, slammed the door on all Gaza ceasefire proposals Saturday, saying his organization would treat any international peacekeeping force in Gaza as an occupying entity.

Source: http://www.ynetnews.com/articles/0,7340,L-3653889,00.html

This is nothing new:
Hamas angered by Egypt’s statement of deploying Arab forces in Gaza


Hamas says won't accept Gaza international force