Charleston residents grieve at a makeshift memorial outside the historic mother Emanuel African Methodist Episcopal Church to honor the nine victims slain by alleged killer Dylann Roof in Charleston, South Carolina. Photograph: Richard Ellis/EPA

A National Rifle Association executive in Texas has been criticised for suggesting that the South Carolina senator and pastor slain with eight members(...)

UN Secretary-General Ban Ki-moon said in a statement on Tuesday it was “critical that we continue to promote universal participation in the (treaty), by encouraging all states, particularly major arms exporters and importers, to join”. Photograph: Justin Lane/EPA

A global arms trade treaty that aims to regulate the $85 billion (€70 billion) industry and keep weapons out of the hands of human rights abusers a(...)

Social  media enhances our interactions with fellow human beings but also poses great risks. Photograph: Camelia Dobrin/Ikon Images

In the United States, about 30,000 people die each year in road incidents. Roughly the same number are killed by guns. We observe these tragedies and (...)

This big: James Hetfield

Metallica will open their headlining slot at the Glastonbury festival in two weeks’ time with a cover of Oasis’s Wonderwall. It’s a neat move, repl(...)

Jenica Krall  tries her hand at a virtual shooting booth at the 41st annual Conservative Political Action Conference  in National Harbor, Maryland. Photograph: Jim Lo Scalzo/EPA

Velvet Cowan is wearing a tight-fitting T-shirt with pictures of two guns across her chest. “Keep your hands off of my guns,” her top says. A p(...)

US president Barack Obama and first lady Michelle Obama observe a moment of silence and light candles in memory of the 20 children and six school workers killed by a gunman at Sandy Hook Elementary School one year ago, in the Map Room at the White House in Washington, today. Photograph: Reuters

US president Barack Obama has marked the anniversary of the massacre at Sandy Hook elementary school with a moment of silence at the White House. Befo(...)

A tree is hung with birdhouses bearing the name of Sandy Hook Elementary School shooting victims as part of a memorial in Sandy Hook village in Newtown, Connecticut. Photograph: Reuters

One of the 6-year-olds was so sweet his teacher said he should have come to school wrapped in a bow.Another loved princess tea parties, Justin Bieber(...)

Martin O’Malley: “There is among the Irish, by and large in America, a keen and heartfelt awareness that we are a nation of nations and we have all been strangers in a foreign land at one point.” Photograph: David Sleator

Martin O’Malley couldn’t figure out why the president of Ireland wanted to meet him. It was 2000 and he had been elected mayor of Baltimore just a few(...)

New York City mayor Michael R Bloomberg: a vocal advocate of gun control. Photograph: D Dipasupil/Getty Images

Two threatening letters sent to New York City’s mayor and his group that advocates for gun control contained traces of the deadly poison ricin, police(...)

Wayne LaPierre, chief executive of the NRA, speaking  at the association’s annual meeting in Houston, Texas. Photograph: Reuters/Adrees Latif

A voice booms over a PA system calling people to buy a ticket in the “Wall of Guns” raffle. The wall on the first floor of the sprawling George(...)