Talks between Republicans and Democrats aimed at preventing another US government shutdown have ground to a halt.
The two sides have until Friday to reach a deal over President Donald Trump's demand for border wall funding.
Democrats are reportedly offering to authorise up to $2 billion of wall funding in exchange for a cap on the number of undocumented immigrants being held in detention facilities.
Acting White House Chief of Staff Mick Mulvaney, speaking on Fox News Sunday, blames the Democrats.

Russian ballistic missiles kill at least five in Ukraine's Kyiv, spark fires
Kenya tourist helicopter crash kills seven
US, South Korea to cut length, scope of military drills after Trump order
Central African Republic gold mine collapse kills at least 100
Israeli airstrike kills nine Palestinians at Gaza police station