Police raided three properties on Abbot St in Wanganui yesterday morning in a search for drugs, firearms and stolen property.
The search centred on properties near the Bignell St intersection of Abbot St and involved about 10 armed offenders officers, police dogs and 10 police cars.
It began just after 9am.
Sergeant Colin Wright said the search warrants were used after police received information from the public relating to various offences around Wanganui.
One person was arrested for disorderly behaviour during the police search.