6:38 p.m.: OU Marketing and Communications wrote in an email to OU Daily that law enforcement conducted an assessment and deemed the area safe after receiving a report of a possible emergency.
5:54 p.m.: OU issued an all clear regarding the alert.
5:35 p.m.: OU sent a RAVE alert regarding a reported law enforcement emergency in the area of Buchanan Hall and Oklahoma Memorial Union.
This post will be updated.