UPDATE: (1:54 a.m.): At 11:35 p.m. Wednesday night, approximately half an hour after initial sirens went off, UNC released a statement that included details of the reported armed robberies.
According to the Alert Carolina website, a male was walking near Aycock Hall just before 11 p.m. when he was approached by two males who reportedly brandished a hand gun. The suspects demanded the victim's wallet.
A few minutes later the suspects, now in a white four-door sedan, reportedly approached a female victim, brandished a handgun and demanded property.
UPDATE (1:18 a.m.): Robbi Pickeral, a spokeswoman for the University, said she could not answer specific questions about the Alert Carolina system's timeline at this time.
She said the statement issued by Alert Carolina calling the response a communication breakdown was coordinated by University communications and public affairs and the UNC Department of Public Safety.