It has just been reported that the police have been called in on a gunman on site at the McNair Discovery Learning Center. A swat team is in place to the active gunman in Decatur, Georgia. 

It has been reported that, "One person is in custody, according to local reports, but there were conflicting reports of shots actually being fired. DeKalb County School Board Chairman Melvin Johnson confirmed shots were fired to WSB-TV, but Fox 5 Atlanta reported that no shots were fired."

It is unclear at the moment quite what is happening. But, as we get more information we will report it to you.