Dozens of firefighters are tackling an enormous blaze on a residential road in west London.
Bright orange flames and smoke have been filmed rising from a house on Rosaville Road in Fulham this evening, from just after 8.20pm.
The first floor and roof of a mid-terraced property are alight, the London Fire Brigade confirmed.
However, it is understood no-one was inside at the time.
Ten fire engines and around 70 firefighters were dispatched.
LFB's 999 control officers have taken 29 calls to the blaze.
The first emergency calls were called were made at 8.22pm.
Fire crews from Wimbledon, Brixton, Park Royal, Peckham, Wandsworth and surrounding fire stations are at the scene.
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The cause of the fire is not known at this stage.
Sarah Wiseman wrote on Twitter: "Horrendous, fire at 38. Luckily it was under renovation so no-one was inside #fulhamfire."
Don Cochrane, who posted a video, also said: "Yes all ok house was being renovated."
It comes after a fire broke out in a three-storey warehouse next to Brixton Market earlier tonight - with 100 firefighters dispatched to the scene.
People are believed to have been evacuated from the area with footage showing an inferno and a pillar of smoke rising into the sky.
Firefighters continue to fight the blaze on Electric Avenue, off Electric Lane.
Surrounding roads have been closed.
The Brigade's 999 Control Officers were first called just before 9pm and have taken 53 calls about the fire.
Europe is currently facing an unprecedented heat wave and many fear this will only make the problem of fires worse.
Wildfires have been raging across Europe as temperatures soar above 45C (113F) in some parts of the continent in recent days.
More than 6,000 people were evacuated from campsites as firefighters tackled two wildfires in the Gironde region in south-west France last week.
The biggest of the two fires is around the town of Landiras, south of Bordeaux, where roads have been closed and 500 residents evacuated.
The other one is along the Atlantic Coast, close to the iconic "Dune du Pilat" - the tallest sand dune in Europe - located in the Arcachon Bay area where heavy clouds of dark smoke were seen rising in the sky.
That fire led to the preventive evacuation of 6,000 people from five surrounding campsites. They were taken to a local exhibition centre for shelter.
On the eve of Bastille Day, the Gironde prefecture has forbidden all fireworks until Monday in towns and villages near forests.
In Portugal, major motorways and side streets were blocked by authorities in the city of Leiria as strong winds made it harder for firefighters to tackle flames.
Portugal's most important motorway, connecting its capital Lisbon to Porto, was also blocked due to another fire farther north.
