A series of bomb threats prompted a four-hour delay Saturday of the University of Nevada, Reno's winter commencement ceremony.
Lawlor Events Center was evacuated to allow two bomb-sniffing dogs, UNR police and others to search the facility. No bomb was found.
Lawlor was evacuated at 9 a.m. as more than 1,400 graduates lined up to enter the arena. Some graduates weren't able to make it back for the 2 p.m. ceremony.
Criminal justice major Jessica Kincaid, 22, said her aunt and cousin flew from Las Vegas for the graduation but missed the ceremony because they had to catch an afternoon flight back.
"It's annoying. It's an inconvenience but you can't police everybody's behavior ... It's just juvenile," Kincaid told the Reno Gazette-Journal.
UNR assistant police chief Todd Renwick said Lawlor received three calls from a male: two from pay phones in downtown Reno and a third from a pay phone on campus. A fourth threat was made later in the day.
An investigation continues.