Relatives of murdered Limerick mother of two, Sarah Hines, have said their lives "will never be the same" because of her murder and the murder of her two children.

Detectives were today trying to piece together the final moments before two women and two children were violently murdered in a quiet suburban estate.

A man arrested in connection with the murders of four people in Co Limerick yesterday, has been taken to hospital in Cork for surgery.

Post mortems have been completed on the bodies of three members of the same family, found dead in east Cork yesterday.

Leading forensics experts will today begin examining the inside of a house where two children, their mother and her friend were murdered.