 Complete the following phrase:  The British League Cup was a football competition that was set up in April 1902 to raise money for the disaster at Ibrox Stadium, in which 25 people were killed and 517 injured at an international match between Scotland and England at the start of that month. The four clubs that participated in this competition were the winners and runners-up of the Scottish and English football leagues. It was a predecessor to the Empire Exhibition Trophy, 