An explosion inside a maintenance hole on the Texas Tech University campus in Lubbock set off fires and power outages, leading school officials to issue evacuation orders for several buildings and cancel classes for the rest of the week, university police said.

Texas Tech and Lubbock Fire Rescue officials were confirming an ongoing evacuation near the campus' engineering key as well as outages across the Tech and Texas Tech Health Sciences Center campuses following several fires and a power substation explosion Wednesday evening.

The explosion came from a manhole on campus near a substation, causing power outages in the area and at the Texas Tech Health Sciences Center, officials said.

Texas Tech and Lubbock officials have provided a timeline and preliminary details as to what led to the overnight fires and explosions on campus.

Brooks & Dunn’s performance at United Supermarkets Arena originally scheduled for tonight, March 13, has been rescheduled to Thursday, March 20, due to the events on the Texas Tech University campus in Lubbock on Wednesday, March 12.

Brooks & Dunn’s show that was originally scheduled for March 13 at Texas Tech's United Supermarkets Arena has been rescheduled. Here's what to know

Texas Tech University's campus will be closed the rest of this week after a manhole explosion apparently triggered a series of fires around campus.

Brooks & Dunn has postponed a concert at the United Supermarkets Arena following an explosion at Texas Tech University. On Thursday, the band reposted a Texas Tech statement confirming that their Thursday show would be postponed to March 20 after the campus was on alert the night prior.