Six shots were fired into an empty police cruiser early today at the Retreat at Twin Lakes in Sanford, Florida, where Trayvon Martin was shot and killed.
No one was injured in the 4:30 a.m. shooting. Police removed the vehicle and began an investigation.
Sanford, Florida, Mayor Jeff Triplett said: "Are we a kindling box? Sure. But we're working down a path and so far it's been absolutely peaceful. You plan for the worst and hope for the best."
ABC News reports that the emergency operation centers of three counties have been activated at Level II, the same level of preparedness used ahead of a hurricane.
A group of armed neo-Nazis from the National Socialist Movement have come to Sanford to patrol the town and protect whites against a race riot, so they claim.
The Rev. Terry Jones, the controversial pastor who once threatened to burn copies of the Koran, announced last week his plan to hold a rally on April 21 at the Seminole County Courthouse in support of Zimmerman and his constitutional rights.
Capt. Robert O'Connor of the Sanford Police Department told ABC News: "Law enforcement agencies in the area are monitoring a variety of activities and groups to ensure that conditions remain peaceful."