Coaches’ bans and RFU denial over Nick Mallett add to England’s woes

• Graham Rowntree and Andy Farrell given changing-room bans• Coaches admitted approaching referee during defeat by AustraliaEngland’s Rugby World Cup campaign has lurched into further trouble with the coaches Andy Farrell and Graham Rowntree banned from the dressing room for their side’s final Pool A game against Uruguay on Saturday night. Stuart Lancaster’s future as head coach is also looking increasingly bleak, with the Rugby Football Union forced to deny it is already approaching potential candidates to succeed him. Related: Rugby union must embrace its militant minnows, not push them to t…