Law enforcement authorities are investigating an incident that occurred at the Virginia home of Rep. Tom Perriello’s (D-Va.) brother, whose address was publicized by tea party activists angry at the congressman’s vote for the health care bill.

The FBI would not disclose the details of the incident, but said that they have been to the home.

“This is very preliminary at this point, so we’re not making any comment at this time,” local FBI spokesman M.A. Myers told POLITICO.

A spokesman for the Albemarle County Fire Marshal would not comment on whether they too are investigating the incident.

POLITICO reported on Monday that Mike Troxel, an organizer for the Lynchburg Tea Party, posted on his blog what he thought was the congressman’s address, encouraging tea party activists to “drop by.”

The address has since been posted on websites of at least one other local tea party activist.