A woman swimmer was seriously injured in a shark attack at a Sydney beach on Saturday, authorities said, in the latest of a spate of such encounters off Australia’s coast. Emergency services were called to Coogee Beach in the east of Sydney, Australia’s largest city, in the morning on reports that the 35-year-old had been bitten by a large shark about 30 metres (100 feet) from the shore. “The woman was pulled from the water by members of the public, who commenced first aid,” police said in a...