ammonia leak

UW building evacuated because of suspected ammonia leak

People allowed back in building after an hour-long evacuation

Employees are back in the Engineering Research Building on the University of Wisconsin-Madison campus following an evacuation late Tuesday morning about a possible ammonia leak.

UW building evacuated because of suspected ammonia leak

People allowed back in building after an hour-long evacuation

Employees are back in the Engineering Research Building on the University of Wisconsin-Madison campus following an evacuation late Tuesday morning about a possible ammonia leak.