Therefore, it is necessary to ascertain the facts of the affair.Prof Luk has said he would testify before a Legco panel.Top EMB officials should get prepared for confronting him openly.

• 如果由立法会展开调查，或许会引致各大党派利用此次事件，为进行中的特首选举及今年底的区议会选举造势，令调查和聆讯过程变得政治化，成立独立调查委员会因此是较可取的做法。