Cristiano Ronaldo said he had answered his critics in style as he rounded off a "spectacular" year with a hat-trick to win the Club World Cup for Real Madrid and add to his multitude of titles.

Atletico Nacional will play through their grief over the Chapecoense plane tragedy when they tackle the Club World Cup in Japan -- just days after their Copa Sudamericana final opponents were wiped out.

At least eight people have been injured, two seriously, after a man set himself on fire on a Shinkansen bullet train in Japan, say officials.