Police have named the man and five-year-old boy who died at a house in Leicester earlier this week.
Timotej Borrett and his father Lee Borrett, 41, were found unconscious by officers in Hopyard Close, on the outskirts of the city, at 9pm on Monday (July 24).
Both were pronounced dead at the scene.
East Midlands Ambulance Service and the air ambulance also attended but despite efforts both were pronounced deceased at the scene.
An investigation is continuing to establish the full circumstances surrounding the deaths and the events leading up to the incident.
Following enquiries, no third party is believed to have been involved in the incident and police are not looking for anyone else in connection with the deaths.
“This is a devastating and incredibly traumatic incident and our investigation is continuing to establish the full circumstances in relation to the deaths of Timotej Borrett and Lee Borrett,” said Detective Chief Inspector Mark Sinski, senior investigating officer.
“Following our enquiries so far, I can confirm that we are not looking for anyone else in connection with this incident and a file in relation to the incident will be prepared for HM Coroner.
“I understand the upset, distress and concern this tragic incident has caused. Specialist officers are supporting the families of Timotej and Lee and officers also remain in the area of Hopyard Close speaking to people and offering reassurance.
“Thank you to everyone who has supported us and co-operated with us at this difficult time.”
A file in relation to the deaths of Timotej Borrett and Lee Borrett will be prepared for HM Coroner.
Today, in a tribute to Timotej, his family said:
“Timotej was very much loved by his mother and partner, and their families. He was very bright and creative. He always brightened the room everywhere he went.
“He was brave and strong and words cannot describe how much he will be missed.
“We hope he will now be at peace and he will be forever in our hearts.”