Simplify the following text for a Grade 13 native English-speaking person.
Original: WWF Capital Carnage was a United Kingdom exclusive professional wrestling pay-per-view event produced by the World Wrestling Federation ( WWF ) that took place on December 6 , 1998 at the London Arena in London , England .
Simplified: WWF Capital Carnage was a UK-only professional wrestling pay-per-view event produced by the World Wrestling Federation ( WWF ) that took place on December 6 , 1998 at the London Arena in London , England .