Senior Sergeant Anthony Bond, of Dunedin, said police were called to a property in Havelock St at 11.30am yesterday, after reports of a female resident being threatened by a neighbour.
The neighbour, who was located in Elgin St, allegedly made threats towards her.
Police arrived armed with non-lethal weapons, including a sponge round launcher, and took a 31-year-old woman into custody.
She was charged with behaving threateningly and causing harm by posting harmful digital communication.