Lydia Ko's moved inside the top 10 after an up-and-down second round at the latest women's golf major the PGA Championship in Chicago.

The world number three has carded a three-under 68 mixing six birdies with three bogeys.

She's now four under for the tournament in a share of ninth, three back from the lead.

Danny Lee's tied for 10th at the PGA Tour event in Maryland, two under for the day and the tournament, eight back from the lead.

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