Tom Heap meets the activists hoping to bring an end to illegal fishing by tackling the problem head on: by getting in the way of pirate fishermen.

The Black Fish is a relatively new NGO (Non-Governmental Organisation) who aim to stop the fishing of juvenile Bluefin Tuna in the Mediterranean and prevent to use of illegal drift nets - by cutting them.

Presenter: Tom Heap

Producer: Martin Poyntz-Roberts.