Bath-bound Nikola Matawalu warns Stuart Lancaster of Fiji threat

• England meet Fiji in opening game of World Cup at Twickenham on Friday• Lancaster watched as Matawalu shone in Fiji victory over Canada this monthFiji, World Cup quarter-finalists in 2007, have warned England that they have never been better prepared and are capable of bringing off the biggest shock in the event’s history in Friday night’s opening match at Twickenham.England are overwhelming favourites to start the tournament they are hosting with a victory but Fiji are unbeaten since losing narrowly losing to Wales at the Millennium Stadium last November and have spent the summer in camp, w…