The UK underestimates the threat to its future security posed by Russia, shadow defence secretary Liam Fox has warned. Addressing a fringe meeting at the Conservative Party conference, Dr Fox claimed Russia was increasing its defence spending this year by 25%. It was also testing more long range missiles and pouring money into two naval bases in Syria, he added. That, together with Iran's military build-up, justified replacing Britain's Trident nuclear weapons system. Dr Fox said the Tories were committed to replacing Trident nuclear weapons and, with so much uncertainty in the world, he warned against embarking on a "potentially...