The London Fire Brigade (LFB) was called on Tuesday to reports of a grass fire on Chelsfield Lane in Orpington. Approximately 70 firefighters and 10 fire engines have attended the scene in south London.
Initially, six fire engines and around 40 firefighters were originally sent out to deal with the blaze.
The fire soon progressed from consuming eight to 40 hectares of land and hedgerow.
Forty hectares equates to around 100 acres.
The London Fire Brigade (LFB) was called to the scene at 11.43am on Tuesday.
Fire crews from Orpington, Sidcup, Bromley, Eltham, Plumstead, Biggin Hill and surrounding fire stations were despatched to tackle the blaze.
A spokesperson from the LFB said: “Ten fire engines and around 70 firefighters have been called to a grass fire on Chelsfield Lane in Orpington.
“The Brigade’s 999 Control Officers have used 999Eye to live stream the fire from a smart phone to screens in the Control Room, allowing for greater visibility of the incident.
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After approximately two hours, the LFB succeeded in reducing the fire down to an area of eight hectares.
A spokesperson said: “Firefighters are working hard at the scene of a grass fire in Orpington where around eight hectares of land and hedgerow remains alight.”
The London Ambulance Service did not attend the scene as there were no casualties or injuries reported, according to MyLondon.
A spokesperson for the Metropolitan Police then said there was “nothing to suggest” suspicious causes for the fire.
Grass fires occur after long spells of hot weather, where the ground becomes extremely dry.
They are most commonly triggered by barbecues and cigarettes, the LFB warns.