The Fish Porters at Billingsgate Market are currently protesting at plans by the City of London Corporation to deregulate the market by removing old by-laws which state how the market should be run. This will more than likely lead to the Fish Porters losing their work to cheaper, un-skilled labour.
The Fish Porters also think that this is the start of plans to sell off the market to property developers, as its in a prime location near Canary Wharf.
Here’s links to both sides of the story:-