SUMTER, S.C. (AP) -- Shaw Air Force Base near Sumter was locked down for about an hour after concerns were raised about a possible threat on the base.


The lockdown started shortly after 12:30 p.m. Monday because of concerns about a possible shooter on the base.


A spokeswoman says no shooter was found and no shots were fired. The lockdown was lifted shortly after 1:30 p.m. No arrests were made.


Capt. Ashley Norris says there was a perceived threat and precautionary measures were taken. Norris says five buildings were checked.