Gardaí investigating the murder of four people following a fatal house fire in Waterford City have carried out searches at two properties as part of their investigation.

The searches were conducted on Tuesday night as the investigation into the suspected arson attack in the Birchwood area of the city intensified.

WLR understands Gardaí were supported by armed officers during the searches at properties in Waterford City, which were carried out as part of their investigations.

No arrests have been made at this stage.

The developments follow a devastating house fire at Birchwood in Waterford City shortly after 5am on Tuesday, October 13th.

Kim English, Philip English and their children, 12-year-old Callum and nine-year-old Jayden, died in the house fire.

Two other children were rescued from the property and are receiving hospital treatment for critical injuries.

An Garda Síochána has launched a murder investigation into the incident, which is being treated as a deliberate arson attack.

An incident room has been established at Waterford Garda Station, with a senior investigating officer appointed to lead the investigation.

Family Liaison Officers have also been assigned to support the family of those affected.

Gardaí are continuing to appeal to anyone who may have information relating to the multiple murders and arson attack to come forward.

Investigations remain ongoing.