Up to three sharks may have been involved in the fatal attack on a 21-year-old woman off an island in eastern Australia, police said Sunday.

• 警方星期日说,澳洲东部一个小岛对出海面发生的鲨鱼袭击并咬死21岁女子的事件,涉及的鲨鱼可能多达三条。