A fire took place at Yale University's Klein lab on Sunday, causing a hazardous material concern, according to Director of the Office of Emergency Management Rick Fontana.
The fire is out and contaminated water in the basement from the sprinkler system may be hazardous, Fontana said.
The Connecticut Department of Energy and Environmental Protection is on the scene.
The incident took place in a 13-story research building along Prospect Street. Power to the building is shutdown, Fontana said.