Flowers have been left outside the house where a mother and son were found dead in Bolton-le-Sands, Lancashire yesterday.
They have been named locally as Lisa Clay and her six-year-old son Joseph.
A 34-year-old man has been arrested on suspicion of murder. The post-mortem examination results are expected today.
More top news
A battle between cold and warm air masses over the next few days........
Detectives investigating allegations of neglect and mistreatment at Blackpool Victoria Hospital have arrested two more people.
Cheshire Police's Former Chief Constable Simon Byrne has been cleared of misconduct.