Major United States media outlets from across the political divide have come together in solidarity to oppose US President Donald Trump's ban on several organisations, including CNN, from the White House.
Trump last week announced he was barring CNN, Politico and MS NOW (formerly MSNBC) from the White House, accusing them of spreading "fake news".
The outlets have since filed a legal challenge, arguing the ban violated the First Amendment of the US constitution, which protects free speech and press freedom.
Other outlets have now suspended pool coverage of Trump in solidarity with the banned outlets.
On Friday, Trump announced that he was banning the three outlets from the White House grounds.
Trump said on social media on Monday, without providing evidence of a national security threat.
Trump said there was no specific incident that had prompted the ban, but warned others would follow.
Within 10 minutes of Trump's announcement, CNN contacted MS NOW and Politico to discuss joint legal action, Reuters reported.
On Monday, they announced a joint lawsuit against Trump and other administration officials, arguing that the move violated press freedom and free speech rights protected under the US constitution's First Amendment.
However, vice president JD Vance rejected the suggestion they'd been banned, saying they had instead lost what he called "special access".
While the ban prohibits the outlets from the White House grounds, it does not restrict them from reporting on Trump.
Last year, Trump banned the Associated Press from the pool of reporters that cover his movements because the news agency did not adopt his preferred name for the Gulf of Mexico.