World Rugby accepts George North should have left field after concussion

World Rugby (IRB) have released a statement following a review of the head injury assessment that took place on George North in Friday night's Wales vs England game in Cardiff. They have found that he should not have stayed on the field. North took a boot to the face or head in the first half, so went off to be assessed. He returned to the field however, only to be accidentally headbutted by Richard Hibbard later in the game. After that collision, which looked worse, he stayed on the field. World Rugby have done a full post-incident review, and today stated that they believe North should not…