By BEN JAYCOCK

Kicking on: Tomos Williams scored twice for Cardiff PICTURES: Getty Images CARDIFF claimed their 18th league win in a row over the Dragons with a record 55-21 Boxing Day demolition job. Such was the appetite for this derby that Cardiff had been forced to apply for permission to expand their capacity to 12,000. And the hosts delighted their supporters by running in nine tries – seven in the first half to equal the league record – at the Arms Park. Rhys Carre, James Botham and Tomos Williams all scored twice, with further tries by Ben Thomas, Keiron Ass...