The United Kingdom and Norway are forming an alliance to "hunt Russian submarines" and protect communication lines in the North Atlantic Ocean, as part of a new defense agreement between the two countries, the U.K. government announced on Thursday. The agreement will see the British and Norwegian navies work side-by-side. Central to the deal is a new joint fleet of anti-submarine warships — in response to a 30% increase in the presence of Russian ships in U.K. waters over the last two years,