BBC News, Mercesis
A person has been arrested on suspicion of dual murder after the death of an elderly couple in a fire at his house.
The Mercyside police said 77 -year -old grandparents, 77 -year -old, who is known as Eric, and 83 -year -old Sheela Jackson, Sheela Jackson, South John Street on Tuesday, died after a bang on her home.
Bal said that an accelerator was used to start the fire.
A 31 -year -old man from St. Hallens was arrested earlier and was taken into custody for questioning.
Mr. Greener died on Wednesday evening, while Ms. Jackson died of injuries on Thursday morning.
Dete Supate Rachel Wilson said: “Although a arrest has been made, I would like to remind people to the police directly to pass information or to anonymous to anonymous through crimstoppers.
“Comprehensive inquiry continues, and until that end we are still appealing with information to anyone to come forward, especially if you live in the field of South John Street and remember anything suspicious around the time of the incident.”
He said: “Please do not assume that what you know has already informed us, because we can quickly do that assessment.”
He also urged people not to comment or post on social media that can endanger the investigation.