The blaze broke out on Oliphant Crescent in Paisley around 10.15pm last night, Saturday, August 23.
Emergency crews, including three fire appliances, rushed to the scene and brought the fire under control by 11.36pm.
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A 33-year-old woman and a 25-year-old man have been taken to hospital for treatment.
Police have confirmed that they have launched an investigation into the cause of the fire.
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A Police Scotland spokesperson said: “Around 10.15pm on Saturday, August 23, 2025, we received a report of a fire at a property on Oliphant Crescent, Paisley.
“Emergency services attended, and a 33-year-old woman and a 25-year-old man were taken to hospital for treatment.
“Enquiries are ongoing to establish the cause of the fire.”