An explosion at a substation Wednesday night caused widespread power outages at Texas Tech University and its Health Sciences Center, according to the university's emergency communications system. An alert went out to students at 7:12 p.m., stating that a power outage was affecting the campus. About 20 minutes later, another alert came saying they were evacuating the Engineering Key due to a gas odor. MORE: https://www.khou.com/article/news/local/texas/explosion-at-texas-tech-university-causes-power-outages-prompts-evacuation-school-says/287-d51cf0f9-abb8-4f65-b216-84c631547a2d