A West Lothian man has been arrested for wilful fireraising in connection with the ferocious blaze in the county.
Emergency crews raced to the scene last night and up to 15 fire engines have been tackling the fire overnight.
Local residents at Katherine Street in the Craigshill area posted images on social media last night as the towering inferno ripped through the building.
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The fire and rescue service told Edinburgh Live that they were still at the scene this morning.
Fortunately, it seems at this stage that only one person was treated for smoke inhalation but officers have told Edinburgh Live that local residents have been decanted from their homes for their safety.
A Police Scotland spokesperson said: “Around 8.45pm on Thursday, 27 January, officers received a report of a fire at a block of flats in Katherine Street, Livingston.
"One person was treated at the scene for smoke inhalation but did not require hospital treatment. A number of residents required alternative accommodation.
"A 26-year-old man has been arrested in connection with wilful fireraising and police enquiries are ongoing.”
The fire service confirmed to Edinburgh Live this morning that they were in attendance.
A Scottish Fire and Rescue Service spokesperson said: “We were alerted at 8.35pm on Thursday, January 27 to reports of a fire within a ground floor flat in a four-storey building in Katherine Street, Livingston.
“Operations Control mobilised 15 appliances, three height appliances and specialist resources to the scene and firefighters are working to extinguish the fire.
“Crews currently remain in attendance.”
