At a time when China continues to impose tariffs on Australian imports, a push to ban imports linked to Uyghur labour in China is continuing in Australia.
Yusuf Husein's youngest children may never know their grandfather, uncles, aunts or cousins living in China.
"I worry about my dad — he is more than 85 years old; my mother is not there, so how is his situation? He's an old man," he said.
Mr Husein had been in regular contact with his siblings and his father from his home in Adelaide until their phones went silent in 2017.
Despite appealing to both the Australian and Chinese governments, he has not heard from his family since.
Key points:
Uyghurs in Australia are afraid for their relatives still living in China
A bill to ban exports from the region using slave labour is gaining traction
However, experts warn China could retaliate with further trade sanctions against Australia read more