The restrictions also disrupted the White House press pool, a rotating arrangement in which a small group of reporters covers the president on behalf of the wider media and shares their notes with other outlets. Three news media outlets barred from the White House have sued US President Donald Trump's administration. Key points and original sources are listed below.

• The restrictions also disrupted the White House press pool, a rotating arrangement in which a small group of reporters covers the president on behalf of the wider media and shares their notes with other outlets.S1

• Three news media outlets barred from the White House have sued US President Donald Trump's administration.S2