A HOUSE fire at a property on Eskdale Road in Hartlepool is being treated as suspicious. Police are appealing for witnesses to the incident which happened at about 11.10pm on Tuesday night. A man and woman at the address were uninjured. A joint investigation with Cleveland Fire Brigade has now been launched. Anyone with information is asked to contact Detective Sergeant Jon Hagen from the Major Crime Team on the non-emergency number 101 or Crimestoppers anonymously on 0800 555 111.