Firefighters battled a massive fire at Knowsley Industrial Estate and "worked flat out" to contain it.
Crews were called to the blaze in a shop warehouse on Marl Road, in Knowsley Industrial Estate, on Thursday at about 3.20am.
The "very challenging" inferno had engulfed the shop, as six fire engines were sent to try and control it from spreading.
As firefighters arrived the shop was "well alight" and they had to gain access by using a grinder, hose reel and main jet.
Merseyside Fire Service said it's not thought there was any injuries.
Photos from the scene showed smoke billowing from the building as firefighters worked desperately to control the fire.
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Group Manager Mark Thomas said crews had worked flat out to ensure the fire was confined to one unit.
He said: "When crews arrived on scene, they were presented with a very challenging situation. They worked very quickly and effectively to prevent the fire spreading to surrounding businesses and vehicles.
"The high volume pump has assisted in keeping us well supplied with water for firefighting.
"I would like to thank the other agencies involved in the response, as well as the building landlord for assisting with crews' welfare by providing drinks and other facilities."
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A cordon was set up by police on Marl Road to keep the site safe and clear of people.
Merseyside Fire Service said: "An investigation into the cause of the fire will be carried out, although it is not believed there are any suspicious circumstances."
