The OcadoFire has been declared a major incident. More than 200 firefighters have been involved in tackling the blaze that has been raging for over 24 hours.
Members of the public are urged to avoid the area on Walworth Business Park, in the town and to keep all windows and doors closed.
Around 200 firefighters have been tackling the blaze which began at the Andover facility at around 2.44am on Tuesday morning.
Hampshire Fire and Rescue Service (HFRS) said four of its firefighters had been treated for slight smoke inhalation as they battled to bring the fire under control.
Locals have been urged to keep their windows and doors shut due to the smoke belching from the inferno, while the public was also asked to avoid the area.
Witnesses have said that the noise, heat, smell and light pouring from the Ocado warehouse is frighteningly real.
“The blaze that is sweeping through the Ocado warehouse in Andover has been declared a major incident,” HFRS said.
“About 200 firefighters have been tackling the fire which broke out at 2.44am on February 5.
Four firefighters have been treated for slight smoke inhalation.
Part of the roof has now collapsed and the fire in the complex robot-run distribution centre is still ongoing.
“120+ firefighters are risking their lives tackling the blaze.
The online grocery retailer has been forced to cancel thousands of customer deliveries due to the fire at its flagship automated warehouse.
It handles more than 4,000 orders a day and uses hundreds of robots to select groceries from a 3D frame called the “grid”
Deputy Chief fire officer Andy Bowers from HampshireFire and Rescue said that there is a total of 20 pumps, 9 Water Carriers, 3 ALPs and 256 Breathing apparatus wearers who have been tackling the fire. Firefighters are likely to remain for some time at the incident
More to follow