Police have shut down two sophisticated drug rings and seized meth worth up to $123 million during a series of busts across Auckland.

More than $200,000 of cannabis has been kept off the street after police's annual drug raid.

Virgin founder Sir Richard Branson says he wants to speak to Indonesian President Joko Widodo in an effort to save those facing the death penalty in the southeast Asian country.

An investigation into the use of cannabis for medical purposes has been carried out by the Ministry of Health.