Wales’ four regional teams have pledged “full support” for the proposed Rugby Champions Cup mooted by England and France next season.

The International Rugby Board are in the final stages of drafting a “robust” set of guidelines to tackle the on-field treatment of suspected concussion.

The England Rugby Football Union yesterday exonerated England fly-half Olly Barkley of any wrongdoing after his ticket allocation for an RBS 6 Nations match was alleged to have fallen into the wrong hands.