Officials at the Sept. 11 memorial said Monday that one of their security guards should not have stopped a North Carolina middle school choir from singing the national anthem on the memorial plaza. “The guard did not respond appropriately,” said the spokeswoman, Kaylee Skaar. “We are working with our security staff to ensure that this does not happen again with future student performances.”

Some 50 students from Waynesville Middle School in western North Carolina were at the Sept. 11 memorial Wednesday and had just started singing “The Star-Spangled Banner” when a guard told them to stop. Teacher Martha Brown said Monday a different security guard had given the OK for her students to sing. But the second guard said, “`You just can’t do this. FULL REPORT