K-pop superstars Blackpink in climate change message

K-pop superstars Blackpink have emerged as the latest force in the global fight against climate change.

The all-female group, who have billions of fans around the world, have decided to speak out just months before a major conference on climate change will be held in Britain.

The UK Prime Minister Boris Johnson has written to thank them for supporting the UN Climate Summit known as COP26.

Blackpink were speaking to the BBC's Laura Bicker. Video by Hosu Lee.