Sion Phenis, 34, from Cefn Hengoed, spoke of his shock as he saw the billowing smoke from his home with his parter and three-year-old child.
He told WalesOnline: “I was on the couch in my usual Sunday spot watching Scrum 5 and I saw the smoke.
“It was in the grassy area known as the Graig between Cefn Hengoed and Cwm Calon.
Residents watched in horror after a grass fire was started metres away from their homes
“The picture you can see is of a neighbour’s garden two doors down at about 7pm on Sunday night.
“It was approximately 25-30 metres away from the houses.”
Mr Phenis said he had to remain inside because the smoke was so bad.
Sion Phenis, 34, from Cefn Hengoed, spoke of his shock as he saw the billowing smoke from his home
He said: “I couldn’t really breathe. The fire brigade arrived initially on foot with shovels and the two fire engines alongside the fire investigation team. The fire service did a great job.
The fire service did a great job
“I moved here eight years ago and the neighbours said they have never seen anything in the area that bad.”
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He believes that the fire was only stopped from spreading to his house because his property is located on a hill.
South Wales Fire and Rescue Service (SWFRS) has issued a warning following the incident.
SWFRS group manager Vaughan Jenkins has said: “One of the biggest issues is the drain it puts on our resources.
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South Wales Fire and Rescue Service (SWFRS) has issued a warning following the incident
“If someone has a house fire or if there is a road traffic collision, then it will mean a delay in our response time.
“We have got a lot of education at the moment to reduce them but that still needs to get through.
“I’d say to those who lit the fire, or knew who did, to think about all of the consequences of what you’re doing.
“It’s destroying the landscape and the wildlife – and it could cost people’s lives because of the delays it causes.”