A man in his 50s was also injured.
The PSNI's appealing for information following a fatal stabbing in Co. Derry.
A murder investigation has been launched into the attack on a woman in Limavady last night.
Officers and emergency services were called to the scene at a property on Sea Coast Road just after 20 past 8.
A man in his 50s, who was also injured, is being treated in hospital.
A 53-year-old man, who is also a holidaymaker, has been arrested on suspicion of murder.
Detectives investigating the murder of a woman outside Limavady last night (Monday, 12 July) have arrested a man. pic.twitter.com/jrZoXKwXWq— Police Causeway Coast and Glens (@PSNICCGDistrict) July 13, 2021
MLA Cara Hunter says everyone in the area is in complete shock