Amid a clampdown by Chinese authorities on pyramid schemes, CNA has learnt of at least a dozen Singaporeans who were approached by fellow Singaporeans over a so-called business and investment scheme in China's southern city of Nanning.

Amid a clampdown by Chinese authorities on pyramid schemes, CNA has learnt of at least a dozen Singaporeans who were approached by fellow Singaporeans over a so-called business…

The detentions come amid a broader push by Beijing to curb illicit financial schemes and cross-border fraud networks.