Police officers are gathered in a parking lot outside several warehouses.
The FBI is assisting the sheriff’s office, a media relations spokesperson confirms to CNN. Orange County Mayor Teresa Jacobs and Sheriff Jerry Demings are also on the scene.
Almost a year ago, Orlando was the site of the nation’s worst terror attack since 9/11. On June 12, 2016, a gunman killed 49 people at the Pulse nightclub.
“Over the past year, the Orlando community has been challenged like never before,” Florida Gov. Rick Scott said in a statement Monday. “I will remain in contact with the Orlando law enforcement community throughout the day as more information is made available.”