Prominent gun rights advocates in the US government are now calling for a national discussion about curbing gun violence - signalling that the Connecticut primary school massacre could be a tipping point in a debate dormant for years.

President Barack Obama arrives in the UK ahead of crucial G20 talks today with fresh backing from the American public over his handling of the economy.

John McCain is “dangerously wrong” on the Iraq war and issues of US national security, Barack Obama’s running mate said today.

PRESIDENT George Bush and his election challenger John Kerry were last night preparing for their third and final live televised debate.