Police investigating a suspicious fire at a house in Rhyl have arrested a fourth person in connection with the incident.
A 24 year old man has been arrested and is being questioned along with a 47-year-old woman, a 22-year-old woman and a 28-year-old man who were arrested earlier.
Detectives are seeking to trace any witnesses to the incident which happened during the early hours of Monday morning, September 20, at a house on Walford Avenue, Rhyl.
At 2.30am police were alerted to the blaze which caused extensive damage to the property.
There were five people in the house at the time, three adults and two children, all of whom managed to escape.
Anyone with information is asked to contact St Asaph CID on 0845 6071001 (Welsh Language line) 0845 6071002 (English language line) or 101. Alternatively, individuals can also contact Crimestoppers anonymously with information on 0800 555 111.
