A woman was shot with an air rifle at a house in Tennyson Avenue, Grantham, this morning (Saturday).
She was shot in the shoulder with a pellet and taken to hospital for treatment. Police say her injury is not thought to be serious.
Police were called to the scene just after 9am.
A 23-year-old man was arrested on suspicion of grievous bodily harm and is currently helping officers with their enquiries.
A spokesman for Lincolnshire Police said: “Officers would like residents in the area to know that at no point during the incident was there believed to have been any danger to the wider public as the people involved were known to one another.
“Local police will be carrying out extra patrols in the area today to talk to residents in the area and offer them some reassurance.”