Net-revenue yields are a key cruise-industry indicator that measures revenues in relation to available capacity.

WSJ: Carnival Profit Slips

The riots were a reaction to tougher austerity measures taken in relation to a possible EU-IMF bailout of the country.

FORBES: Stocks Sell Off Amid Greek Riots

"We are also liaising closely with the military to ensure appropriate security measures are in place in relation to military premises and personnel, " he said.

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He said Welsh Secretary David Jones is working very closely with Welsh First Minister Carwyn Jones (no relation) at "a raft of specific measures", among them possible new borrowing powers for Wales or the business case for electrification of the north Wales railway.

BBC: Captain of the Yeoman of the Guard talks Welsh economy

And one part of it, Article 8, requires member states such as UK government to ensure that there are necessary measures in place to protect employees in relation to their pension rights.

BBC

But "due to the concerns locally in relation to the speed of vehicles passing the site, the applicant is willing to introduce additional measures in the form of a mound crossing and road markings in order to highlight the 30mph speed limit".

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Mr Larkin said retrospective measures which have survived legal challenge involved questions of public safety, such as those in relation to sex offenders working with children.

BBC: John Larkin