Seven charged over alleged South Australian crime ring

Seven people have been charged over an alleged crime ring operating in Adelaide and South Australia's Riverland that involved drugs, weapons and money laundering.

Two kilograms of dried cannabis, firearms, two vehicles and cash were seized in raids in the Riverland and Adelaide, SA Police say.

A 36-year-old Glossop man was arrested for four counts of money laundering.

Police allege the money laundering involved more than $300,000 amassed through drug trafficking.

He was refused police bail and will appear in the Berri Magistrates Court on Thursday.

Three men and a woman, aged between 26 and 61, were also charged with money laundering but were bailed to appear in court at a later date.

A 34-year-old Barmera man was charged with trafficking a controlled drug and firearms offences, and a 24-year-old Kilburn woman was charged with firearms offences.

The six were bailed to appear in court at a later date.