Four people have been arrested following search warrants in Te Aroha on Thursday.

Eastern Waikato Criminal Investigation Branch, supported by multiple teams from across Waikato Police, executed a series of search warrants in relation to ongoing investigations into the supply of Methamphetamine, GBL (Fantasy) and Cannabis in the township.

'These drugs cause considerable harm in our communities and lead to serious addiction and social harm," says detective sergeant Ben Norman.

Police have arrested and charged four people with supplying methamphetamine, GBL and cannabis. Two were also charged with Unlawful Possession of a Firearm. Photo: New Zealand Police.

'Police has been receiving information from the public with concern about criminal activity by certain individuals around the township.

'We thank the community for being our eyes and ears and encourage you to keep reporting information to Police.

'Waikato Police are dedicated to removing this social harm from our communities and the information provided shows our communities will not tolerate illegal activity."

"As a result of the search warrants, Police have arrested and charged four people with Supplying Methamphetamine, GBL and Cannabis, two have also been charged with Unlawful Possession of a Firearm," says a police spokesperson.

Eastern Waikato Police thank the local community and wider Waikato Police teams for their support.

"Investigations into drug activities in the township are ongoing."

"The combination of drugs and firearms is always a potentially lethal recipe for harm and continues to be of grave concern for Police and the communities we serve.

"We continue to encourage anyone with information about illegal activity taking place in their community to contact 105, or Crime Stoppers anonymously via 0800 555 111.

"We encourage anyone affected by drug addiction to seek help through the Alcohol and Drug Helpline on 0800 787 797, or free txt 8681."