Saudi national Shaker Aamer had left Guantanamo Bay in the early hours of Friday and was due back in London later in the day.
Linking sausages to tobacco risk 'a farce' : Australia
Patel speaks Gujarati and has testified he does not understand English.
But Trump said he still holds a big advantage over Carson and his more politically experienced rivals such as Jeb Bush: "I've got more money than anybody."
The sale is the second time the US has raised cash from the reserve, created as a counter-balance to the power of Arab producers after the first oil crisis of 1973-74.
Appearing before the Senate Armed Services Committee, Carter described a changing approach to the fight against the Daesh, focusing largely on Raqqa, the Daesh-declared capital in Syria, and Ramadi.
The videos, which appeared to have been taken by other pupils on their mobile phones, show the officer in a conversation with the girl before pulling her along the floor.