A 19-year-old Yazidi woman, one of hundreds who says she was taken into sexual slavery by the Islamic State group, now living at a refugee camp in Qadiya, Iraq. Photograph: Mauricio Lima/The New York Times

Islamic State atrocities have descended like distant nightmares upon the numbed conscious of the world. The first beheadings of Americans had the powe(...)

A composite image from September 2005 (left) showing part of the Lower Ninth Ward of New Orleans flooded by Hurricane Katrina and the same area a decade later.   Before Katrina, the Lower Ninth Ward was a working-class and predominantly African-American neighborhood just outside the city’s historic center. Photograph: AP 1:16

President Barack Obama on Thursday heralded the progress New Orleans has made rebuilding since Hurricane Katrina battered the area 10 years ago but sa(...)

South Sudan’s President Salva Kiir (right) is congratulated by Kenya’s president Uhuru Kenyatta and Ethiopia’s prime minister Hailemariam Desalegn after signing a peace agreement in South Sudan’s capital, Juba, on Wednesday. Photograph: Jok Solomun/Reuters

South Sudan’s president has signed a peace deal to end a 20-month conflict with rebels, but he told regional African leaders at the ceremony he still(...)

Vester Lee Flanagan, who was known on-air as Bryce Williams, is shown in this handout photo from TV station WDBJ7. Photograph: Reuters/WDBJ7

A man who shot dead a TV reporter and cameraman during a live news broadcast in the US told authorities afterwards he was a “human powder keg...just w(...)

Alison Parker and Adam Ward were shot and killed in Virginia on Wednesday morning while conducting a live interview. Photograph: Reuters 0:21

A disgruntled former employee of a local TV station in the US state of Virginia shot and killed a reporter and cameraman live on air and posting video(...)

Republican presidential candidate Donald Trump spars with Univision reporter Jorge Ramos before his “Make America Great Again Rally” at the Grand River Center in Dubuque in Iowa on Tuesday. Photograph: Ben Brewer/Reuters 0:50

Jorge Ramos, an anchor with the Spanish-language Univision network, was removed from Donald Trump’s news conference in Dubuque, Iowa, on Tuesday af(...)

French president Hollande  after his speech during the annual gathering of French ambassadors at the Élysée Palace in Paris on August 25th. Photograph:  Philippe Wojazer / EPA/ Pool MaxPPP

When French president François Hollande addressed France’s ambassadors to foreign countries, assembled in the red velvet and gilt reception rooms of t(...)

An undated photo  of  Ayoub El-Khazzani, who was overpowered by two US servicemen and other passengers  during an attack aboard an Amsterdam-Paris Thalys train on August 21st, 2015. File photograph: EPA

The man who boarded a high-speed Amsterdam-to-Paris train with a Kalashnikov rifle before being tackled by passengers was on the radar of authorities (...)

Anthony Sadler (L), from Pittsburg, California, and Alek Skarlatos from Roseburg, Oregon, hold their medals as they sit in a restaurant after a brief ceremony in the town of Arras, northern France, on August 21, 2015. The Americans  overpowered a gunman armed with a Kalashnikov who opened fire on a high-speed train travelling from Amsterdam to Paris on Friday. Photograph: AFP/Getty Images

President Barack Obama has praised the heroism of three Americans who overpowered a gunman on a high-speed train travelling from Amsterdam to Paris on(...)

Syrian migrants on an overcrowded dinghy try to disembark on the shore of the Greek island of Kos this week. Photograph: EPA/YANNIS KOLESIDIS

The beheading earlier this week of Khaled al-Asaad, an 83-year-old archaeologist, by Islamic State militants in the Syrian city of Palmyra brings into(...)