We're living on the edge - there's no cushion, no buffer left.

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Watney, who was runner-up at the WGC-CA Championship event in March, could have led by even more, but bogeyed his final hole after three-putting to have a two-shot buffer over Germany's Martin Kaymer and Irishman Shane Lowry.

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In the end Andrei Iniesta's second-half goal -- inevitably set up by Messi -- gave the home side a comfortable buffer and left Pep Guardiola's team on course to defend their title.

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Sexton tagged on the tricky conversion for a 10-point buffer at half-time, and it was his half-break that ignited Leinster's attack again for their bonus point try.

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Protected by uninhabited forests to the north, the Rockies in the west and arid country in the south, authorities set up a 323-mile long, 18-mile wide buffer zone along the other place rats might enter, Alberta's eastern border with Saskatchewan.

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Another of the ICB's recommendations is that banks must have a buffer to absorb the impact of potential losses or future financial crises - of at least 10% of domestic retail assets in top-quality form, such as shares or retained earnings.

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