A woman has been rescued by her neighbour from a flat in Paisley after it was deliberately set on fire.
Detectives are treating the incident as attempted murder and have appealed to the public for information.
Emergency services were called to an address in Tannahill Terrace, in the Ferguslie Park area of Paisley around 3.15am on Friday after a neighbour living nearby noticed the fire.
A 50-year-old man managed to get into the property and rescue a 64-year-old woman from inside.
The woman was checked over by ambulance staff however did not require hospital treatment.
Following a joint investigation between police and fire services the fire has been confirmed as wilful.
Police are treating the incident as attempted murder.
Detective Sergeant Ally Semple from Paisley CID said: “This was a deliberate, dangerous act and the fast and heroic actions of the victim’s neighbour undoubtedly saved her life.
“Extensive enquiries are underway to establish why someone would have intentionally set fire to this woman’s home and it is vital that the local community support us in finding the despicable individual responsible.
“I would appeal to anyone who was in the surrounding area in the early hours of this morning who noticed anything suspicious to please contact Paisley CID via 101 and quote incident number 0347 of Friday 22nd September 2017. Alternatively you can call CRIMESTOPPERS on 0800 555 111 where details can be given in confidence.”