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According to the D.C. Police Department, there is a possible gunman inside Spingarn Senior High School. The school is on lockdown at this time. WaPo reports that police are setting up a command post.

We just called the school. This sounds like a false alarm. We asked the secretary who answered phone about the possible shooter and the lockdown. “I don’t know about any of that,” she says. “We just had a fire drill.”

During a second call, an administrator stated that there was no shooter in the school.

Update 2:49 p.m. An impromptu press conference took place between police and school officials outside Spingarn.

Commander Lamar Greene says the incident started at around 11 a.m. A security guard on the second floor of the school noticed a light-skinned black male that she did not recognize as a student. It appeared that he may have had a handgun or she noticed the butt of a handgun sticking out of a pocket. This suspect ran further into the school. The security guard notified the school resource officers (D.C. Police cops). Greene says the police went “room by room” and “floor by floor.” “We did not find any suspects at this time,” Greene says.

The school now has additional security.

A DCPS official John Davis said “the right precautions were taken. Everything is going as it should go.” He called the situation “very unusual.” There is no evidence that someone brought in a weapon, Davis said.

The students are now back in class. A little more than 500 students attend Spingarn.