The US is supplying Ukraine with cluster bombs, but why is the move so controversial?

Thomas Nash is now a Wellington regional councillor, but for many years worked as a disarmament activist and he played a leading role in a Nobel Peace Prize-winning campaign to abolish nuclear weapons in 2017.

He joins Newsable to explain what exactly cluster bombs are and why so many countries have agreed to ban them.

Learn more about your ad choices. Visit megaphone.fm/adchoices