The United Democratic Movement completed drawing up papers for its Constitutional Court challenge to the defection laws, as more parties rallied to its side.
Former Western Cape director general Dr Niel Barnard on Wednesday rejected ''categorically and with contempt'' suggestions that politicians in the province were bugged on his orders.
About 2 000 Cosatu members and supporters chanted ''Viva ANC'' outside Parliament on Tuesday as they delivered a demand on government to halt privatisation and job losses.