Detectives have been given additional time to question a man about the death of a woman following a car fire in Co Londonderry.
The blaze happened outside a house in the Quarry Road area of Knockloughrim on Tuesday. morning
The woman, in her 50s, was treated in hospital but died from her injuries.
A 59-year-old man was arrested on suspicion of murder.
On Thursday, the PSNI said that detectives had been granted a further extension of 36 hours to question the man.