The front page of every newspaper in Australia was blacked out on Monday in a coordinated move to support press freedom.
The campaign, by Australia’s Right to Know Coalition, is trying to "to highlight the constraints on media organisations under strict national security legislation".
Advertisements have also been rolled out across the country's television networks urged the public to ask of the government: "What are they covering up?"
Raids on the Australian Broadcasting Corporation (ABC) and the home of a News Corp Australia journalist had sparked a huge public outrage.

Israel warns Lebanon of 'heavy price' as week's death toll nears 300
Israeli settler fatally shoots Palestinian in West Bank
Israel carries out rare airborne raid in Lebanon; 16 killed in strikes
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Flash floods in Nairobi kill 23, disrupt flights at major airport
Russia hits Ukraine with drones, missiles, kills at least 10 in Kharkiv
Partial resumption of air navigation in Qatar
Kuwait and Qatar thwart fresh wave of Iranian attacks
