UPDATE: 8:57a.m. | The Lee's Summit School District says the lockdown has been lifted. Law enforcement and school officials determined there is no credible threat.
ORIGINAL STORY | Lee's Summit High School is in full lockdown following a threat Tuesday morning.
Lee's Summit police say the district received a phone threat about 7:30 a.m.
Officers are going through the school room by room.
During the full lockdown, students remain in their classrooms or the closest safe location.
The district sent a letter notifying parents of the incident.
This is the second threat at a Lee's Summit school this week.
Police say a similar threat was reported at Mason Elementary School Monday.
That threat was determined to not be credible.
