U.S. Naval Academy in Annapolis is on lockdown after reports of threats, according to the academy

The U.S. Naval Academy in Annapolis, Maryland remains on lockdown after an active shooter threat inside Bancroft Hall.

Multiple gunshots have been reported, with new unconfirmed reports claiming at least three casualties so far.

Authorities say shots were also heard near Beach Hall, expanding the area of concern.

The threat reportedly began after a midshipman expelled from the academy allegedly returned to campus armed with a weapon.

Officials have not confirmed casualty figures, and details remain fluid as law enforcement continues to respond.

• There were reports of the shooter knocking on doors in Bancroft Hall and pretending to be a military policeman.
• The exact number and status of casualties remain unconfirmed, but there is information circulating on social media of three casualties, with one being medevaced.
• Naval Support Activity Annapolis and local law enforcement are responding to the incident.
• A midshipman watchstander sent out an emergency alert to students to lock their doors.

Source: Fox News, @sentdefender