InMidtown said it had doubled its bee hives from four to eight, introduced more plants and increased its honey produced to 37lbs (16.8kg), bucking the national trend.

BBC: London bee numbers 'could be too high'

Restrictions apply to products made from meat, dairy, fish, eggs and honey as well as some fruit, vegetables and plants.

BBC: Dried caterpillars found in luggage at Gatwick Airport