The crowed cheered widely at the sight of Liu Xiang,who was

人群欢呼雀跃,焦点集中在刘翔身上,据报道,过在110米跨栏上打破了世界纪录.
be reported to do相当于be said to（据报道,据说）,这里的to和have broken没有时态上的关系,不构成时态,to是to,属be reported to do,have broken是现在完成时.