The explosion occurred at Gorse Park, where emergency services were called to the scene at around 7.10pm yesterday.
A family of four have maintained serious injuries from the blast, and are currently being treated in hospitals across the city.
The Scotia Gas Networks (SGN) commented on the incident, and said it is ‘too early to speculate’ on the cause of the blast.
A joint investigation between Police Scotland and the Scottish Fire and Rescue Service, which aims to determine the cause of the explosion, is underway.
9. The devastation caused by the explosion
Police say four homes were caught up in the blast. Witnesses said at least one terraced house was destroyed, with those on either side of the property also damaged. Photo: Katielee Arrowsmith / SWNS
10. Investigations ongoing
Authorities are investigating in order to establish the cause of the blast. Scottish Gas Networks said it was ensuring the site around the "serious explosion" was made safe. Photo: Katielee Arrowsmith / SWNS
11. Damaged house
Damage caused by the blast to a property off Kincaidston Drive, Ayr, Scotland. Photo: Katielee Arrowsmith / SWNS
12. Fire officials addressing the media
Chief Inspector Derrick Johnston, area commander for South Ayrshire and Scottish Fire and Rescue Service Area Commander, Ian McMeekin, talking to media near the scene, the day after the incident. Photo: Katielee Arrowsmith / SWNS