Coughlin clings to lead at LPGA Canadian Women's Open

Lauren Coughlin, seeking her first LPGA title, birdied three of the first five holes and clung to a one-stroke lead after Friday's second round of the Canadian Women's Open.Australia's Hannah Green also shot 70 to share second on 139 with South Korea's Ryu Hae-ran with a fourth-place pack on 141 including Americans Jennifer Kupcho and Lilia Vu and New Zealand's Lydia Ko. Coughlin, who fired a 68 on Thursday for a one-stroke lead, birdied the par-5 first hole and added back-to-back birdies at the