A fire has broken out at a block of flats in Plaistow, east London, with around 30 people evacuated.
Ten fire engines and around 70 firefighters responded to the blaze on Queens Road West.
Traffic in the area will be affected as crews respond, London Fire Brigade (LFB) said.
The blaze was in a 10th-floor flat in a block of 15 storeys, and the balcony and flat interior were alight, LFB said.
“Three men left the flat before the Brigade arrived, and are being treated on scene by the London Ambulance Service,” LFB said.
“The brigade’s control officers took over 30 calls reporting the fire, with the first received at 8.02am.
“Crews were able to bring the fire under control by 9.03am, with firefighters from East Ham, Plaistow, Stratford and surrounding fire stations at the scene.”
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The LFB also said it has started an investigation into the cause of the fire.