Possible explosive device hurled near President Bush when he was in Georgia.

The Secret Service was investigating a report Tuesday that a hand grenade was thrown at the stage during President Bush's speech in the former Soviet republic of Georgia.

According to the report, a Georgian security officer picked up the device and removed it from the area. The Secret Service had not seen the device as of Tuesday evening. The agents in Tbilisi Georgia are working with the FBI, State Department and Georgian authorities to investigate the report, but Georgian government denies incident.