Bomb threats received at several northern Virginia schools

Several Virginia schools were the target of bomb threats Friday afternoon. None of them were found to be legitimate threats.

The following were among the schools that received threats:

Herndon High School (Herndon)
McLean High School (McLean)
The Potomac School (McLean)
George Mason High School (Falls Church)
Stone Bridge High School (Ashburn)
Westfield High School (Chantilly)
Bishop O'Connell High School (Arlington)

George Mason High School students and staff were evacuated to Mary Ellen Henderson Middle School following the receipt of an automated bomb threat by phone. The all-clear has since been given to students and staff.

Students at Stone Bridge High School were sent to Riverside High school after a threat was received there, and K-9 units searched the school. As of 2 p.m., students and staff had been allowed to return to Stone Bridge.

Things were also said to be back to normal at Westfield High School, Herndon High School and McLean High School. Nothing was found those locations, after searches concluded.

At around 1:49 p.m., Arlington County police tweeted Bishop O'Connell High School was given the all-clear for students to return into the school.

According to officials,"robo-call" bomb threats have become an issue nationwide.

This story is developing. Stay with for the latest.