DENVER — The Denver Public Library closed all locations and canceled Bookmobile stops on Wednesday after it received what it called an unspecified threat overnight.
All locations except those closed for renovations or maintenance reopened on their normal schedules on Thursday.
The Denver Police Department said Wednesday afternoon that preliminary findings indicate the threat was sent from out of state and that a number of similar threats were sent to libraries in other states.
As a precaution, officers will do extra patrols around Denver Public Library locations, police said.
"We take all threats seriously and prioritize the safety of our staff and customers," according to a statement Thursday on the library system's website. "We continue to work with local law enforcement and city partners to investigate the digital threat."
Denver Public Library, which has 27 branches across the city, provides community services and public access to computers and technology, in addition to books and other media.
Unspecified threats have also caused disruptions this week for schools in the metro area. The FBI Denver Field Office said it was working with local law enforcement to investigate "swatting" incidents on Monday.
SUGGESTED VIDEOS: Latest from 9NEWS
9NEWS+
9NEWS+ has multiple live daily shows including 9NEWS Mornings, Next with Kyle Clark and 9NEWS+ Daily, an original streaming program. 9NEWS+ is where you can watch live breaking news, weather updates, and press conferences. You can also replay recent newscasts and find videos on demand of our top stories, local politics, investigations and Colorado specific features.
To download 9NEWS+ on Roku search for KUSA.
To download 9NEWS+ on Fire TV search for 9NEWS.
MORE WAYS TO GET 9NEWS
Subscribe to our daily 9NEWSLETTER
Download the 9NEWS APP
iTunes: http://on9news.tv/itunes
Google Play: http://on9news.tv/1lWnC5n
HOW TO ADD THE 9NEWS APP TO YOUR STREAMING DEVICE
ROKU: add the channel from the ROKU store or by searching for KUSA.
For both Apple TV and Fire TV, search for "9news" to find the free app to add to your account. Another option for Fire TV is to have the app delivered directly to your Fire TV through Amazon.
