The officer discharged his weapon inside the school at 1005 Mount Vernon Ave.at about 9:10 a.m., police said. Nobody was injured in the incident.
In a letter to parents shared with Newsweek, Alexandria City Public Schools said that they have been working closely with the police department but are unable to give more information as the investigation is still active.
A school resource officer at a Virginia middle school accidentally fired his gun inside of the school Tuesday while children were attending classes, officials said.
The single officer at Marjory Stoneman Douglas High School failed to engage the heavily armed shooter who killed 17 students and faculty.
Alexandria City Public Schools passed a resolution against gun violence last week calling for action by Congress and the Virginia General Assembly, arguing that "the prevention of gun violence can not be relegated to local school divisions alone".