A second person has been arrested on suspicion of murder in relation to a fatal house fire in Streatham. 

A 49-year-old was found dead inside a house on Glenister Park Road shortly after 7pm on Sunday, February 25. 

On Monday (February 26) a 34-year-old woman was arrested on suspicion of murder and arson with intent to endanger life. 

The Metropolitan Police said a second person, a 47-year-old man, has also been arrested on suspicion of murder. 

Both remain in police custody. 

Police have said that the fire is thought to have been started deliberately and is being treated as suspicious. 

A post-mortem examination will take place in the coming days to establish the man’s cause of death. 

Anyone who can help the investigation is asked to call 101 quoting CAD 5631/25Feb. 

Information can also be provided anonymously to the independent charity Crimestoppers by calling 0800 555 111. 

Detective Chief Inspector Kate Blackburn, who is leading the investigation, said: "We are in the early stages of our investigation, and we are working quickly to piece together the events last night in Glenister Park Road that sadly resulted in a man losing his life. 

"Detectives have spent the day gathering footage from nearby doorbell cameras and other CCTV. 

“The scene of the fire has undergone extensive forensic examination to help us understand how the fire started. 

"I would ask anyone in the area who saw any activity on Sunday evening around 6.45pm in Glenister Park Road, between Drakewood Road and Streatham Vale, or has information about the incident, to come forward immediately. 

"We understand that such a tragic incident will cause concern among the wider community, however we believe that this is an isolated incident and we have arranged for additional patrols in the area over the coming days to help provide reassurance."