Coal Hill Space-Time Rift
From Tardis Wiki, the free Doctor Who reference
The Coal Hill Space-Time Rift, also known as the Rift, the Tear and the Bunghole of Space was a time rift located at Coal Hill Academy. (TV: For Tonight We Might Die et al)
history
Following several alien incursions at the school such as the Daleks (TV: Remembrance of the Daleks) and a Skovox Blitzer (TV: The Caretaker), the tear opened up in around October 2016.