Gangs have been blamed for two shorts fired in the Hawke's Bay earlier in the week and police say such actions will not be tolerated.
Four people have been arrested after reports of shots being fired in Wairoa on Tuesday.
Two shots were fired on McLean St about 11pm on November 13.
Police today searched two properties with the assistance of the Armed Offenders Squad.
Three men, one in his 20s and the other two aged 24 and 28, were arrested and charged with offences including assault with a weapon, wilful damage, aggravated robbery and unlawful possession of a firearm.