An explosion inside a maintenance hole on the Texas Tech University campus in Lubbock set off fires and power outages.

Power was shut off to the entire Texas Tech campus following the explosion and classes were canceled for the rest of the week ...

“I heard an explosion and then saw a smoke ring, almost like a cartoon or something,” doctoral degree student Robert Gauthreaux III told KCBD-TV. “It traveled about 200 feet in the air.