A murder investigation has been launched, after a man discovered dead after a fire at his flat was found to have suffered a number of stab wounds.
A post-mortem examination found that Antonio James Tammaso, 49, had been dead for two to three days prior to the flat being set alight in New Barnet, north London.
Scotland Yard said police were called to the property in Sheridan Lodge, Potters Road, by London Fire Brigade at around 7.30pm on Thursday.
The body of Mr Tammaso, who was the sole occupant of the flat, was discovered and he was confirmed dead at the scene.
Initially the death was not thought to be suspicious, but a post-mortem examination on Friday found he died of multiple stab wounds.
Detectives believe the killer returned to the flat and set fire to the property and are appealing for the public's help for information about the victim and who he knew.
They have released an image of a red petrol can which was recovered from the scene along with a picture of the bicycle Mr Tammaso rode.
Detective Chief Inspector Glen Lloyd said: "Mr Tammaso would have been known locally, frequenting the New Barnet area, especially around Potters Road often riding his bike.
"We would also be keen to hear from anyone who may have seen or heard anything suspicious at Sheridan Lodge in the days before the fire,
"Especially anyone who would have seen someone carrying a red petrol can, like the one the pictures we have released today. Maybe someone saw its owner filling it up at a local petrol station? Or walking to, or from, one? If you did, please call us."
Mr Tammaso's next-of-kin have been informed.
Any witnesses or anyone with any information are asked to call the incident room on 020 8345 3985 or Crimestoppers, anonymously, on 0800 555 111.