In a move which could put his party at odds with its Conservative coalition partners, the Chief Secretary to the Treasury admitted Britain faces a "big decision in 2016" over alternatives to the current weapon system.
More top news
Republican frontrunner said Ted Cruz's father was with JFK's killer at the time of the assassination.
Sajid Javid has ordered an immediate investigation into the circumstances around the collapse of British department store BHS.
Three people have been arrested in connection with the discovery of a man's body in a reservoir