Police investigating the tragic blaze in Bicester have revealed fire crews are still at the scene as the building remains unsafe.
Thames Valley Police confirmed enquiries are ongoing into the cause of the blaze, however it is not safe to enter the former RAF base due to 'fire hotspots'.
Firefighters were called at around 6.40pm on Thursday, with ten fire engines required to battle to bring the blaze under control throughout the night.
Two hero firefighters Jennie Logan, 30, Martyn Sadler, 38, and business owner David Chester, 57, were killed in the inferno, where after explosions were heard on Thursday.
An unexplained death probe has been launched, but the incident is not being treated as a criminal investigation, as enquiries into the tragedy continue.
