- Officers uncovered the cannabis in Dartford on Monday August 26
- Up to 6,000 cannabis plants were found over two floors of the building
- It has an estimated street value of between £2 million and £4 million
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The 47-year-old man died shortly after 3pm on Tuesday.
Specialist explosive detection dogs searched through the town examining letter boxes and phone booths for signs of potential devices.
Temperatures reached 29.1C in St James's Park, central London.