The deputy president has invited employees of state-owned enterprises and government departments to come forward and provide information into the allegations.
Ramaphosa delivered the ANC’s message of support at Congress of South African Trade Unions’ (Cosatu) central committee meeting in Tshwane on Monday.
Ramaphosa received a warm welcome from Cosatu members.
Central to the theme of his message was state capture and the need for the inquiry to be established as soon as possible.