 The storyline captivated the public's imagination leading to thousands of bets being placed at the bookies across the UK — bookmaker William Hill said there was about 50,000 bets on who was responsible.An estimated 22 million viewers watched "EastEnders" on 5 April 2001 to find out that Lisa — Phil's spurned ex-girlfriend — was the culprit.The episode caused the third-largest power surge on record and the Liverpool and Barcelona UEFA Cup semi-final was postponed for 15 minutes to accommodate a special 40 minute edition of the soap.