___________________In Washington, White House spokesman Josh Earnest has called the murder of Abu Khdeir as "heinous" and urged both Israeli and Palestinian authorities to prevent tensions from escalating. ____________________在华盛顿,白宫发言人乔希`厄尼斯特称谋杀阿布`卡德尔是"令人发指的",并敦促巴以双方当局应避免紧张局势升级.