Nansemond River High School have returned to their classes, and police and fire officials have left the school after spending much of the morning dealing with a bomb threat.

Students returned to classes at about 11:16 a.m., after having been allowed to return re-enter the school and proceed to assigned areas at 9:51 a.m., about an hour after they were evacuated as a result of a bomb threat.

Shortly before 9 a.m. the staff at Florence Bowser Elementary School received a phoned-in bomb threat for Nansemond River High School.

The building was evacuated, and officials from Suffolk Police, Suffolk Fire & Rescue and the Fire Marshall’s Office responded to the scene.

The Fire Marhsall’s office is investigating the threat.