Netanyahu offered a strong defense of Israel's operation, blaming Hamas for civilian deaths.
The three-day truce brokered by the U.S. and the U.N. will begin on Friday morning.
Officials called for an investigation and avoided blaming either side for the attack.
Officials defended Kerry's efforts to broker a cease-fire between Israel and Hamas.
Graham argued Kerry shouldn't push for a cease-fire until Hamas is removed from power.
Hamas captured an Israeli soldier after an attack Friday.
Rep. Israel took issue with charges that Israel was not doing enough to protect civilians.
In a Pew survey, a quarter of respondents say Israel has gone too far.
It is unclear if Hamas would accept the proposal.