Rory McIlroy delivered one of the most incredible finishes in major golf history with birdies on six of Friday's last seven holes to seize a record six-stroke lead after 36 holes at the Masters.

Defying fast and firm conditions at Augusta National, McIlroy fired a seven-under-par 65 in the second round to stand on 12-under-par 132 at the midpoint of the year's first major.

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