A former construction union organiser has been arrested a short while after he admitted to a royal commission he took $60,000 from a formwork company owner - but only because they were friends.

The trade unions royal commission was also played a secret recording on from April this year in which Halafihi “Fihi” Kivalu demanded Elias Taleb pay him another $50,000. But the former organiser, who left the CFMEU last November, said the payments in instalments – which he later gambled away on…