Three people have been charged with unlawful possession of a firearm, commission of a crime with a firearm and demands with intent to steal after gunshots were heard in Castlecliff on Thursday.
A member of the public called Whanganui police yesterday, saying they had heard gunshots and another person reported seeing two men carrying firearms.
The armed offenders squad, a dog unit and a helicopter were called.
Three men, aged 24, 25 and 19, are due to appear in Whanganui District Court.
