Commodities guru Jim Rogers told the Economic Times of India this month that he was a buyer of gold but urged caution when buying into the rally.

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An officer familiar with the investigation said the three involved were junior Marines and that investigators were examining whether a romantic dispute was a motive but urged caution in drawing conclusions.

WSJ: Three Dead, Including Suspect, in Shooting at Quantico Marine Base

But it urged caution because children's weight can have a significant influence on asthma symptoms.

BBC: Asthma risk 'linked to burgers'

But he urged caution, warning it would and should be a long process.

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He earned rave reviews but Wenger urged caution, insisting the period from 16-19 was the most crucial in a player's development, and used him sparingly before another fine display against West Brom in the same competition a year later.

BBC: Jack Wilshere ready to shine for Arsenal and England

Raymond Odierno, told CNN last week that it may be possible to move faster than initially expected on troop cuts, but he also urged caution.

CNN: Army chiefs urge caution for Obama's planned troop cuts

But Mr Swinney said the UK government had put the economy in a "growth crisis" and urged "caution" over its Scottish figures.

BBC: Budget 2013: Governments row over details of spending