Police are continuing to investigate a fire at a business address following the arrest of a teenager.
Officers found two small fires at the smoke-filled premises in Whitchurch Road, Harold Hill, after they were alerted on Thursday.
London Fire Brigade also attended the scene.
A 16-year-old male was later arrested on suspicion of arson to a building and has been bailed until January.
There were no injuries and no suspects were found at the scene after Police were called at about 8.45pm to reports of a disturbance at the address.
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