Brian Stewart with Prince Charles at a ceremony in June this year honouring D-Day veterans. Photograph: Chris Jackson - WPA Pool/Getty Images

Brian Stewart, who has died aged 93, was a British spy who took a deep interest in Ireland and in his later years became known to history enthusiasts (...)

Members of Parliament are seen attending a session of Parliament in the House of Commons, called to discuss the Syria crisis. Reuters

  The British government’s pledge to intervene militarily in Syria lay in ruins last night after a motion to intervene in principle in (...)

Social media serves up a special sort of security challenge, and one that is often still poorly recognised and understood by governments and la(...)