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.