The family of 11 were stopped at London's Gatwick Airport without explanation - only informed that their authorisation to travel had been cancelled.
They've told British media they believe they weren't allowed to board the flight because they are Muslim.
Their local MP has raised concerns about the growing numbers of British muslims being stopped from entering the US, with no apparent reason.
Talat Ahmed from the Muslim Council of Britain says it's not the first such case.
IN: "It seems…
OUT: …worrying."
DUR: 14 seconds
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