Security changes could be ahead, after a grenade was thrown during President Bush's speech last week in the former Soviet Republic of Georgia.
White House spokesman Scott McClellan says Secret Service agents in Georgia are looking into the incident, after some people were seen getting around metal detectors.
The FBI says the grenade fell about 100 feet from the podium where Bush was speaking. An agent says it was capable of exploding, but "simply failed to function."
McClellan says the FBI is working with Georgian authorities to make sure the incident is fully investigated. Initial reports said the grenade was inactive.
McClellan says the president was updated on the new information last night. He didn't comment on the president's personal reaction to the news.
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