A wave of bomb threats were reported against businesses, schools, hospitals and other places across the country on Thursday, authorities said.
https://www.nbcnews.com/news/us-news...onwide-n947671

At this time it's unclear if the threats -- which have been received in San Francisco, New York, Seattle, Miami, Washington, DC and other locations nationwide -- are connected. The FBI and the Bureau of Alcohol, Tobacco, Firearms and Explosives said they are aware of the threats and are working with law enforcement to provide assistance.
https://www.cnn.com/2018/12/13/us/em...ats/index.html