Active shooter reported at Fort Lee in Virginia

An active shooter has been reported at the Fort Lee Army base in central Virginia.
Officials say the base has been put on lockdown and personnel there have been told to enact active shooter protocols.
The four-story building involved is the headquarters building for the base and houses the Combined Arms Support Command.
No other details were immediately available.
The base is about 40 kilometres south of Richmond, Virginia, and about 209 kilometres from Washington.