Five soldiers have been injured in a shooting at an army base in the US - with authorities placing the location in"lockdown".

"The installation was locked down at 11.04am and law enforcement is on the scene," the Fort Stewart base in Georgia wrote on Facebook.

It said the incident took place at the 2nd Armoured Brigade Combat Team area and casualties had been reported.

The gunman has been arrested and there is"no active threat to the community", the base added.

"The incident remains under investigation and no additional information will be released until the investigation is complete," it said. The lockdown was lifted at 12.10pm local time.

Governor Brian Kemp said he and his family were"saddened by today's tragedy".

"We are keeping the victims, their families, and all those who answer the call to serve in our hearts and prayers, and we ask that Georgians everywhere do the same," he wrote on X.

Fort Stewart is around 25 miles (362km) southeast of Atlanta and is the largest US Army base east of the Mississippi River. It houses thousands of soldiers assigned to the army's 3rd Infantry Division and their family members.

The fort's three schools, which have nearly 1,400 students, were also placed under lockdown. Three schools outside the base also took steps similar to a lockdown"out of an abundance of caution".