The five-year-old schoolboy, named locally as Tyler Warmington, found dead at a market town home was stabbed in the chest, a post mortem has revealed. A 40-year-old woman – said by friends to be his mother – who was arrested questioned on suspicion of murder has been released on police bail until April 12.

Forensic science experts have combed the family’s £250,000 terraced cottage in Faringdon for clues since the child’s body was found on Tuesday lunchtime. Officers from the Thames Valley Police Major Crime Team have so far refused to give many details.

In a statement released after 11am today, Thames Valley said a post-mortem carried out yesterday has revealed the cause of death to be stab wounds to the chest. Senior investigating officer, Det Ch Insp Ailsa Kent said: “We continue to investigate the circumstances surrounding the child’s death. At this time no formal identification has taken place, so I am not able to name the child.”