Eddie Jones under no pressure to drop Dylan Hartley, says RFU chief

• Ian Ritchie says England captain’s discipline ‘exemplary’ over the past year• Verdict on George North concussion case expected this weekEddie Jones will not come under any pressure from Twickenham to drop Dylan Hartley after the England captain last week received the third red card of his career, six minutes after coming on to the field as a replacement for Northampton against Leinster at Franklin’s Gardens.Hartley faces a disciplinary panel in London on Wednesday, charged with striking Sean O’Brien who, after being treated on the field, was taken for a head injury assessment which he failed…