In 2002, he was controversially removed from the shortlist to be Labour's candidate in the Ogmore by-election. Seddon was a vocal critic of many aspects of the last Labour government in the UK, particularly over the 2003 Invasion of Iraq. He also opposed Britain's involvement in the war in Afghanistan from the outset. He backed Mayor of London Ken Livingstone's ultimately successful attempt to be readmitted to the Labour Party. In 2011 he published an autobiography, "Standing for Something – Life in the Awkward Squad " about his time as a dissenter within New Labour and as a foreign TV reporter.