The United Part for National Development (UPND) will join the planned protest match by journalists.
UPND youth chairperson Joe Kalusa says his party will not sit idle and watch the MMD harass journalists.
Mr. Kalusa has urged UPND members to turn up in large numbers and show solidarity with the media.
Other organisations expected to join in solidarity are the Federation of Free Trade Unions of Zambia (FFTUZ) and others.
Journalists will Friday afternoon match from MISA Zambia house in olympia park to Mulungushi conference center where they are expected to present a petition to acting president George Kunda.
MISA Zambia is about 150 metres away from the Mulungushi conference centre