Court of Appeal judges had been told that the original fine was putting the economic future of the port at risk.

BBC: Tug plan marks Empress disaster

My question to Richard would be, what Critical or High Risk does a port-based, stateful inspection firewall mitigate?

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When the 2011 tsunami hit Japan and California felt the effects, Rich Baratta, director of risk management at the Port of Long Beach, said the port noticed obvious changes in the channel, but there was no real impact.

FORBES: Earthquakes, Maybe. But Is Los Angeles Prepared For A Tsunami?

Without fundamental changes in farming and radical improvements in port surveillance, we remain at high risk of new disease outbreaks every day.

BBC: The pointless slaughter?

The port said it was diversifying into renewable energy sources to limit the risk from market fluctuations.

BBC: LNG demand fall hits Milford Haven port profits

"We are not concerned about flood risk, " said Chris Ward, executive director of Port Authority of New York and New Jersey, which owns the site.

WSJ: New York City Transit System Braces for Water Surge

This offered the advantage of a single port of call for the City's big financial conglomerates, but held the risk that they might get unduly caught up in rules to protect the individual consumer.

ECONOMIST: London as a financial centre

The coastguard said the Vos Sailor was no longer thought to be at risk of sinking, and a decision would be taken on whether it would be towed to port.

BBC: Vos Sailor