At least two buildings on the campus of Azusa Pacific University were evacuated and classes were canceled due to the discovery of a suspicious package that turned out to be a backpack.
The Segerstrom Science Center and Building One were both evacuated, college officials said. All classes were canceled on the West Campus, according to the university.
A bomb squad robot detonated the suspicious package and the the contents were deemed safe.
School trolleys were picking up students on Palm Drive to get people over to the east campus.
Students, tweeted about the incident.
"Just got locked down at school because of a bomb threat...I think someone had a bad case of the Mondays..." Tweeted Joe Nunn.
Twitter user Grace Ortega wrote: “freshman year started with a bomb threat. graduate school is ending with a bomb threat.”
Twitter user Brandon, @kalmunist, wrote: “Well there goes the annual segerstrom bomb threat…”
Emily Stice tweeted: "This is the 3rd bomb threat at APU this year. Maybe students should stop leaving their suspicious backpacks in random locations..."