Multiple people have been wounded in an active shooter incident at Fort Stewart in Georgia on Wednesday, a U.S. official said. The number of casualties was not immediately clear but victims are en route to the regional trauma center, Memorial Health University Medical Center in Savannah, hospital officials told ABC News.

In an alert posted on Facebook, Fort Stewart Hunter Army Airfield said the lockdown was “due to an active shooter incident in the 2nd Armored Brigade Combat Team area."

An active shooter incident occurred at Fort Stewart, Georgia, on Wednesday morning, according to Army authorities.