World War II-era grenade found in Baton Rouge home, retrieved by Fort Polk personnelBATON ROUGE - A World War II-era grenade was found in a Baton Rouge home on Friday, officials said. The Baton Rouge Fire Department said around noon, a cleaning company found the grenade in a home on Samoa Avenue. No evacuation was necessary. Personnel from Fort Polk retrieved the grenade out of an abundance of caution, officials said.