Emergency personnel responded to a fire at the University of Wisconsin-Madison's Engineering Hall that has since been extinguished.
No one was injured, according to a tweet from the university.
Engineering Hall was evacuated and students were advised to stay clear of the area, per a WiscAlert sent at 7:49 a.m. by the university.
All classes in the building have been canceled for Friday, UW-Madison Police Department spokesperson Marc Lovicott told reporters on scene.
All classes at other engineering buildings are canceled until 12 p.m. Friday, according to a message sent by Dean of Engineering Ian Robertson.
Subsequent WiscAlerts were sent out at 8:17 a.m. and 8:32 a.m. confirming Police and Fire Department presence at the building.
This is a developing story.
Jasper Bernstein is the Associate News Editor for The Daily Cardinal. Follow him on Twitter at @jasperberns.