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.
![All Blacks performing the haka before their World Cup match against South Africa at International Stadium Yokohama. Photo / Mark Mitchell](https://www.nzherald.co.nz/resizer/v2/NYEMS6XJ6DSDJZCSDCNBXIWPRQ.jpg?auth=29ec21acb2afe306813c02bef3d17b236d5d37d7f8d480b8280d6f4fb073ab49&width=16&height=10&quality=70&smart=true)
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.