Dustin Johnson is surging clear of the rest of the field at the Open Championship, despite the fading light at St Andrews.
The American has picked-up 4 shots today through 10 holes of his second round to climb to 11-under par on the leaderboard.
England's Danny Willett is closest to Johnson after carding a 69 today to get to 9-under at the half-way point, with Luke Donald just another shot.
Irish amateur Paul Dunne has provided one of the stories of the evening. He carded a second consecutive round of 69 to get to 6-under par.
Follow the action on our live leaderboard.
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