Mighty Mo leads Women's British Open as Wie misses cut

Mo Martin of the U.S. plays her second shot at the 9th hole during the women's British Open golf tournament at Royal Birkdale Golf Club in Southport, northern England, July 11, 2014. REUTERS/Nigel Roddis

(Reuters) - Mo Martin earned a three-stroke lead as fellow American Michelle Wie missed the cut after the second round at the Women's British Open on Friday.

The diminutive Martin used her accuracy to avoid the punishing rough on her way to a second successive three-under-par 69 at Royal Birkdale in Southport, Lancashire.