World Cup referees will not ‘lay down a marker’ with reds, says World Rugby

• Tournament organisers play down fears of flurry of cards• Weather threatens Scotland v Ireland opener in YokohamaWorld Cup organisers have insisted officials will not be looking to “lay down a marker” over high tackles in the next seven weeks by flourishing red cards with abandon, as some players and coaches have feared.Following a new directive to reduce high tackles that was rolled out in May, the U20s world championship this summer produced a flurry of cards. Before flying to Japan, the Wales captain, Alun Wyn Jones, raised concerns over the tackle laws overshadowing the tournament while …