A second national demonstration, also titled 'Ġustizzja' (Justice), is being held by the Civil Society Network at Għar id-Dud/Chalet in Sliema on Sunday at 4pm.
Protesters will march to Amery Street, Sliema.
The network said in a statement this afternoon it was insisting on its non-partisan demands for the resignation of Police Commissioner and Attorney General, and for their replacements subject to two-thirds parliamentary majority.
The demands were made during the first such demonstration held last Sunday in the aftermath of Daphne Caruana Galizia's murder.
The demonstration, it said, would be non-partisan and all speakers would be announced shortly.
It said that although everyone was invited to attend, but front rows could not be occupied by party leaders or MPs.
Political party or anti-party banners, placards or other material would be strictly prohibited.