Leading real estate figure Greg Rossen is a shareholder in the independent printing press established by Bret Christian's western suburbs publisher Post Newspapers.
The Fremantle Herald has accused West Australian Newspapers of refusing to print the weekend edition of its newspaper, after a contract negotiation went sour.
Western Suburbs-focused The Post will soon print its own editions, in a bid to maintain independence and break the monopoly of newspaper presses in the state.
The separation of billionaire power couple Andrew and Nicola Forrest has caused acrimony between Nine's Australian Financial Review and rival Seven West Media newspaper, The West Australian.