Fire investigators are still working to establish the cause of a major warehouse fire in Whetstone.
The derelict storage units in Allum Way, near Totteridge and Whetstone tube station, caught fire shortly before 9.30pm last Wednesday.
Witnesses described seeing 40ft flames and fireballs billowing into the air and smoke could be seen from several miles away.
No cause has yet been established for the fire, but one neighbour said the dilapidated buildings had become a popular haunt for teenagers in the area.
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