The reaction of some fans at International Stadium Yokohama during the All Blacks' haka has been criticised as "disrespectful".
The All Blacks begun their World Cup defence with a big victory over rivals Springboks in a thriller.
However, during the All Blacks' traditional challenge before the clash, a bunch of fans sung during the haka which was audible through the TV broadcast.
The reaction to the kapa o pango was met with a strong reaction on social media, with many criticising the behaviour of the fans at the stadium.