Watch the video of green flames coming up through a manhole cover following an underground explosion at Texas Tech.

Videos and photos circulating on social media show a neon green substance rising from a manhole, gradually building until it erupted in an explosion, sparking multiple fires visible from underground.

Caitlynn Jeffries, a public information officer, for the Texas Tech Police Department, said the incident began around 7 p.m. with an explosion in a manhole near the engineering key in the central part of campus.