Three people have been arrested in a Police sting in Taupo and Tokoroa, targeting the supply of psychoactive substances.

Around 20 police officers yesterday executed search warrants at three properties.

Synthetic cannabis, cash, firearms, a taser, ammunition and a small amount of methamphetamine were seized.

Two Tokoroa men, aged 28 and 35, and a 28 year old Tokoroa woman have been arrested and charged.