Thus emboldened, the centrist Party of the Brazilian Democratic Movement has secured a second congressional inquiry, into the financial system.

ECONOMIST: Brazil: Democracy gets back to business | The

Mike Sullivan, crime editor of The Sun, told the inquiry the Metropolitan Police had a system of grading reporters depending on how favourable their stories were.

BBC: Leveson Inquiry: Lawrence leak had 'negative effect'

The report, which then led to a public inquiry due to be published later this year, sent shock waves through the system and has ushered in a new culture of accountability and whistle-blowing.

BBC: Analysis: Why are doctor complaints rising?

Bristol was described as a "system failure", both in the inquiry report and by Health Secretary Alan Milburn on the day of its release.

BBC: Post-Bristol safeguards on the way

Professor Hugh Pennington, who chaired a public inquiry into the 2005 outbreak, said the system meant consumers could have "trust in the business that's based on actual evidence in front of their eyes".

BBC: Food Hygiene Rating Bill backed in Welsh assembly vote

Last week the public inquiry into the scandal concluded patients had been "betrayed" by a system that put corporate self interest ahead of patient safety.

BBC: Probe into 'high death rate' hospitals extended

The inquiry is focusing on the implementation of the new system, which is a huge and complicated exercise.

BBC: Week ahead

Following the tragedy, an inquiry by the Marine Accident Investigation Branch (MIB) found that a faulty steering system on the RIB and a lack of basic equipment may have led to the incident.

BBC: Holly Buchanan's remains found on Loch Lomond island