Democratic US presidential candidate Hillary Clinton reacts as rival candidate Senator Bernie Sanders tries to hand her a piece of paper during a Democratic debate hosted by CNN and New York One at the Brooklyn Navy Yard in New York. Photograph: Reuters

Brooklyn was the scene of the latest flashpoint between the Democratic presidential candidates as front-runner Hillary Clinton and challenger Bernie S(...)

Sex sells  at a Las Vegas arms fair:  Americans’ constitutional right to bear arms is not just a domestic issue; it has effectively inhibited effective global gun control treaties

Anyone following international news in recent months will be struck by the fact that the gun control debate in the United States has stepped up a gea(...)

Hillary Clinton and Democratic rival Bernie Sanders debating in Charleston, South Carolina. Photograph: Timothy Clary/AFP/ Getty Images

It’s about evolution, not revolution; pragmatism, not idealism. This was Hillary Clinton’s message as she sought to depict socialist Bernie Sanders (...)

Democratic presidential candidates Hillary Clinton and Bernie Sanders participate in the NBC News -YouTube Democratic Candidates Debate. Photograph: AFP

Leading Democratic candidates Hillary Clinton and Bernie Sanders clashed over guns, healthcare and money in the final debate before the first voters s(...)

A policeman holding a military type shotgun, one of 4,500 guns on display in Sydney in  1997 before being melted down. Photograph: William West/AFP/Getty Images

In the continuing debate over how to stop mass killings in the United States, Australia has become a familiar touchstone. President Barack Obama has c(...)

Another day, another slaughter

When Syed Rizwan Farook and his wife Tashfeen Malik gunned down 31 people, killing 14 of them, in San Bernardino, California, on Wednesday they took t(...)

A suspect is taken into custody outside a Planned Parenthood center in Colorado Springs, Colorado . Photograph: Isaiah J. Downing /Reuters

Expressing what has become regularly repeated frustration on the issue, US p resident Barack Obama said on Saturday the United States needs (...)

There had been a sense that Hillary Clinton’s campaign for the Democratic presidential nomination had been drifting. A weariness with a candidate who (...)

US republican presidential candidate Donald Trump who said the Oregon shootings could have been limited if instructors or students  had been armed.

Republican presidential candidate Donald Trump on Saturday channelled the 1970s action star Charles Bronson in defending second amendment rights in th(...)

US president Barack Obama leaves the podium after speaking on the shooting at Oregon’s Umpqua Community College, at the White House. Photograph: Kevin Dietsch/EPA

US president Barack Obama angrily said on Thursday America had made a “political choice” to allow mass shootings like the one in Oregon to occur and b(...)