A fire in underground cabling caused heavy smoke at a sewage works in Beckton this morning (December 22).
Firefighters wearing breathing apparatus carried out a thorough search of a detached two-storey building on the site in Jenkins Lane after being called at 8.48am.
A London Fire Brigade (LFB) spokesperson said: "A fire in underground cabling had already self extinguished but caused heavy smoke-logging throughout the building."
The incident was over for crews by 12.15pm.
Four fire engines and around 25 personnel from East Ham, Barking, Plaistow and Ilford stations were at the scene.
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