Army general John Campbell, commander of US forces in Afghanistan, prepares to testify for a hearing before the senate armed services committee  in Washington, on Tuesday. Photograph: Doug Mills/The New York Times

The deadly air strike that hit a hospital in the Afghan city of Kunduz was a mistake made within the US chain of command, the American commander of in(...)

Deserted streets and damaged buildings in the central Syrian town of Talbisseh in the Homs province after Russia confirmed that it carried out its first air strike in Syria. Photograph: Mahmoud Taha/AFP/Getty Images 1:29

The White House warned Russia that its military actions in Syria risk prolonging the four-year-old conflict in the country as the US and Russian milit(...)

Afghan security personnel talk as they perpare to launch a counter-offensive to retake the city from Taliban insurgents at the airport in Kunduz on September 30, 2015. Photograph: Nasir Waqif/AFP/Getty Images

The Taliban are widening their offensive in northern Afghanistan after government forces failed to take back Kunduz, the strategic city in the north(...)

Donald Trump speaks at a campaign event in Rochester, New Hampshire. Photograph: Ian Thomas Jansen-Lonnquist/The New York Times

Donald Trump dodged a question at a campaign event on Thursday night from a man in New Hampshire who stated that Barack Obama is a Muslim and “not eve(...)

Former Republican vice-presidential nominee Sarah Palin. File photograph: Joshua Roberts/Reuters 0:21

Former Republican vice-presidential nominee Sarah Palin has said that immigrants to the US should “speak American”, following a controversy triggered (...)

Donald Trump speaking to the media after the first Republican presidential debate. A feud with Fox News moderator Megyn Kelly has failed to dent his popularity, according to a Reuters/Ipsos poll. Photograph: Andrew Harrer/Bloomberg

Donald Trump continued to defy the laws of political gravity on Monday as a Reuters/Ipsos poll found the real estate mogul holding on to a wide lead (...)

US presidential candidate  and businessman Donald Trump. Photograph: Brian Snyder/Reuters

Embattled Republican presidential candidate Donald Trump has hit back at critics who say he went too far with caustic comments about a US television n(...)

Donald Trump was uninvited from the RedState Gathering after saying in a CNN interview that Fox News’s Megyn Kelly “had blood coming out of her eyes, blood coming out of her wherever”. Photograph: Getty

Donald Trump has been officially banned from one of the biggest gatherings of conservative activists after implying he received hostile questioning du(...)

Wisconsin Governor Scott Walker  listens as Donald Trump speaks during the Republican presidential debate. Photograph: AFP/Getty Images 0:36

Donald Trump dominated the first Republican presidential debate, where the property mogul was the literal and figurative centre of the action. Trump d(...)

Barrack Obama during a news conference in Addis Ababa, Ethiopia, today. Photograph: STR/EPA

President Barack Obama has lashed out at Republican presidential candidates for making what he called “ridiculous” claims about his policies and “outr(...)