He said: "As you can see fire spread up outside of New Providence Wharf Very lucky that @LondonFire ladders could reach high enough to put water on the fire from outside. "Their ladders go up to around 40 meters. Tallest new residential tower in the area 239 meters."
The London Fire Brigade said: “Twenty fire engines and around 125 firefighters have been called to a fire at a block of flats on Fairmont Avenue in Poplar.
“Firefighters are tackling a blaze at a 19-storey block. Parts of the eighth, ninth and 10th floors are alight.
“The Brigade’s 999 Control Officers have taken 13 calls to the fire. ‘The Brigade was called at 0855. Fire crews from Poplar, Millwall, Shadwell, Plaistow, Whitechapel and surrounding fire stations are at the scene. ‘The cause of the fire is not known at this stage.”