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An apparent homicide bombing attack on a hotel in Iraq has left at least 20 people dead and as many as 100 injured in Baghdad today.

The entire corner of a hotel used as a diplomatic mission by the United Nations in Iraq was taken off by the bomb.

The top U.N. Nations official in Iraq, Sergio Vieira de Mello (search) died in the blast although he was intially trapped by rubble in Iraq but able to communicate with rescue workers trying to free him from the wreakage.

The latest attack was the latest in a string of incidents at so-called "soft targets," or lightly guarded civilian and diplomatic facilities.

Oil and water pipelines also came under what is thought to be sabotage attacks this week.

"Our response has to be to show the strength of the United Nations in these circumstances," Adolfo Aguilar Zinser (search), Mexico's ambassador to the U.N., said from New York. "An act of terrorism… simply indicates that terrorists respect no boundaries."

President Bush condemned the attack and called it a terrorist act. He called the people behind the attack, "enemies of the civilized world."

We'll have the latest on the bombing and what this means for U.S. and other coalition forces in Iraq when we speak with FNC Military Analyst and former U.S. Army Col. David Hunt.

Plus, a political insider assess the state of the California recall.

And later, what should California do about a sexual predator who has been released from prison but cannot find a home anywhere in the state? We'll talk to the man's attorney.

See you in the No Spin Zone at 8 p.m. and 11 p.m. ET

--The Associated Press contributed to this report.

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