Bangladesh, Oct. 20 -- The US Supreme Court declined on Monday to hear a bid by Khalid Sheikh Mohammed, the accused mastermind of the Sept 11, 2001, attacks, to revive a 2024 agreement that would have spared him the death penalty in exchange for a guilty plea -- a deal scrapped by former Defense Secretary Lloyd Austin.

The justices turned away appeals by Mohammed and two co-defendants who had also signed plea agreements of a lower court's ruling that upheld Austin's decision to void the deals.

The US Court of Appeals for the District of Columbia Circuit rejected an argument that Austin, who served under former President Joe Biden, had acted too late.

The Supreme Court's action marks the latest milestone in a military prosecution of the...