Three people have been taken to hospital following an explosion at a house in Ayr which caused severe damage, with the blast being heard for miles around.
Residents have been evacuated from part of the Kincaidston area following the incident on Monday evening.
Social media users said they heard the explosion from miles away, while pictures shared online showed at least one house badly damaged with debris lying in the street.
It is understood a number of residents are being given shelter at the nearby Queen Margaret Academy.
The Kincaidston Community Centre said it was open for those who needed help.
Euan Bryson, who lives in the adjacent housing estate, tweeted a video showing a fire engine on a smoke-filled street in the aftermath of the explosion.
He said: "Was chaotic. There was personal property and rubble all over the scene.
"The video below doesn't even do the smoke justice. Could scarcely make out peoples' faces."
A spokeswoman for the Scottish Ambulance Service said: "We received a call at 7.16pm to attend an incident at Gorse Park, Ayr, alongside Police Scotland and the Scottish Fire and Rescue Service.
"We dispatched a number of resources to the scene, including three specialist operations vehicles, six ambulances and an air ambulance.
"Three patients were transported by road to Crosshouse hospital."
The gas distribution company SGN is currently helping emergency services.
A spokesman said: "Our engineers are currently assisting the emergency services to ensure the immediate vicinity is made safe in our role as the gas emergency service."
The fire service said it was working to extinguish a fire at a house.
Police have advised people to avoid the area.
The Ayrshire Police Twitter account said: "We are currently in attendance following a report of an explosion at a property on Gorse Park in Ayr shortly after 7.10pm on Monday, 18 October.
"Emergency services are currently at the scene and we would advise people to avoid the area at the present time."