Dhaka, Sept. 2 -- Former Inspector General of Police (IGP) Chowdhury Abdullah Al Mamun has said the massacre during the July-August mass uprising was carried out on the orders of deposed Prime Minister Sheikh Hasina and ex-Home Minister Asaduzzaman Khan Kamal.

He made the statement on Tuesday while giving testimony before the International Crimes Tribunal-1 as a state witness in a case filed over crimes against humanity committed during the uprising.

Former IGP Chowdhury Abdullah Al-Mamun also offered an apology to the martyrs, the injured, their families, the nation and the tribunal.

The High Court will, however, decide whether he will be granted a pardon.

Acknowledging his role in the July Uprising, Abdullah Al-Mamun said, "If the f...