Division number 172 – in the House of Commons on 4 Mawrth 2013.
A majority of MPs wedi pleidleisio to prevent the disclosure of material if the court considers disclosure would be damaging to the interests of national security, even if that damage would be outweighed by the interests of justice.
Eisiau deall mwy am y bleidlais hon? Darllenwch y ddadl yr oedd yn rhan ohoni.