A euphemism for an event that may cause discomfort to members of the audience if named directly, like the September 11, 2001 destruction of the World Trade Center in New York, or the Virginia Tech Campus Shootings of 2007.
"In light of recent events, campus safety and security have become the
number one priority for colleges and universities around the nation.
The way you prepare for and respond to a crisis on your campus can
mean the difference between life and death. Join us for this live,
60-minute audio conference where you and your colleagues will learn:"...