POLICE and the ambulance service were called to a house in Grasmere Avenue, Sompting, at 6.45pm yesterday where a woman had sustained serious injuries.
She has been taken to the Royal Sussex County Hospital, Brighton.
A 79-year-old Sompting man has been arrested in connection with the incident and is currently in custody.
The man and woman are known to each other.
Anyone who has information should contact police on 101 quoting Operation Albany.