Dhaka, Dec. 22 -- Home Affairs Adviser Jahangir Alam Chowdhury on Monday said investigators have made 'significant progress' in the probe into the murder of Inquilab Moncho spokesperson Sharif Osman Bin Hadi, warning that no one involved in the killing would be spared.

"The interim government, including the Ministry of Home Affairs, is giving the highest priority to bringing those involved in the murder of Hadi, a frontline fighter of the July uprising, to justice," he told reporters after a meeting on the law and order situation at the Secretariat.

Warning that no one involved would be spared, the adviser said 10 people have already been arrested in connection with the murder by joint forces.

Those arrested include Shaheda Parveen Sam...