Drug ring smashed with 18 arrests in Adelaide

An alleged Adelaide drug ring has been shattered after police made 18 arrests in the city's northern suburbs.

Officers carried out a series of raids today and yesterday after launching an operation to track drug trafficking in the area in July last year.

Police also seized heroin and methamphetamine, drug-making equipment, more than $38,000 cash, stolen trailers and quad bikes, and a taser.

A 50-year-old man and 40-year-old woman from Pooraka are among those arrested.

Police allege the pair are linked to a syndicate that has been operating for months.

All 18 people have been refused bail and were set to appear in court today.