Limavady attack: Police appeal for anyone who saw Danielle Allen to contact them
Police are trying to trace the movements of a 27-year-old woman who was found with serious head injuries at a house in Limavady.
Danielle Allen remains in a critical but stable condition in the Royal Victoria Hospital in Belfast following the attack on Thursday evening.
She was discovered at a house in Glenmore Gardens around 22:30 BST.
Anyone who saw Danielle on Thursday afternoon or early evening is asked to contact police.
A 22-year-old man was arrested on Friday morning but has since been released pending further enquiries.