Six months on from the massacre at Sandy Hook Elementary School, our Washington Correspondent Robert Moore has been investigating the gun culture in the US.
'America and its Guns' is starting now on ITV or you can watch it live on the ITV Player.
More top news
Peter Cruddas claims the Lords are seeking to block Brexit with a raft of amendments.
To say the royal tour on which Prince William will embark today is diplomatically sensitive is quite the understatement.
More than 150 people were injured in the blast, several of them critically.