US vice-president Joe Biden: “Can I do it, can my family? There is no way to put a timetable on that.” Photograph: Getty Images

Vice-president Joe Biden has made his most revealing comments on whether he will mount a third presidential bid, saying the decision rests on whether (...)

Libyan supporters and troops loyal to Khalifa Haftar, a retired general and former chief of staff under Muammar Gadafy, on an armoured personnel carrier during a demonstration calling on the international community to arm the Libyan army on August 14th, 2015 in the eastern Libyan city of Benghazi. Photograph: Abdullah Doma/AFP/Getty Images

At least 42 people have been killed in clashes between the local incarnation of Islamic State, a rival Islamist group and forces loyal to the official(...)

An Islamic State fighter destroys ancient objects  from Palmyra, as others watch on in the town of Manbij, northeast of Aleppo. Photograph: Kim Doo-Ho/AFP/Getty Images

The Syrian air force responded on Friday with heavy bombing to a fresh offensive in the northern city of Aleppo mounted by fundamentalists united in(...)

Mokhtar Belmokhtar: in French intelligence circles, he earned the nickname “The Uncatchable” because of the number of times he had been falsely declared dead. Photograph: AFP/Getty Images

Al-Qaeda’s branch in north Africa has denied that jihadi leader Mokhtar Belmokhtar was killed in a US air strike in Libya this week. “In the face of (...)

UN special envoy Bernardino Leon. Libya’s official parliament  has rejected Mr Leon’s proposal for a unity government as part of efforts to end the country’s power struggle. Photograph: Fadel Senna/AFP/Getty Images

Libya’s elected parliament rejected a UN draft proposal to form a unity government and has withdrawn from talks aimed at ending the country’s cripplin(...)

Former Hewlett-Packard CEO Carly Fiorina: “I think I’m the best person for the job because I understand how the economy actually works. I understand the world, who’s in it, how the world works.” Photograph: Jim Young/Reuters

The 2016 US presidential field has grown, with Carly Fiorina, the former chief executive of computer maker Hewlett Packard, and retired neurosurgeo(...)

A rally in Addis Ababa, Ethiopia, this month after more than 20 Ethiopian Christians were killed by Islamic State. Photograph: AFP Photo /Zacharias Abubeker

Islamic State militants have slit the throats of five journalists working for a Libyan TV station in the eastern part of the country, an army commande(...)

Hillary Clinton sought this week to defuse a growing political controversy over her use of a private email server for official messages when she was s(...)

Hillary Clinton answers questions  at the United Nations in New York yesterday. Ms Clinton admitted  she made a mistake in choosing not to use an official email account when she was US secretary of state. Photograph: Don Emmertdon Emmert/AFP/Getty Images

Hillary Clinton has conceded that she should have used a government email address while serving as US secretary of state.Ms Clinton told a press confe(...)

Hillary Clinton: Some say her use of a personal email account while secretary of state will most likely be forgotten long before the 2016 election. Photograph: The New York Times

The tweet wasn’t even a day old and it had been viewed more than three million times, according to social media website Twitter.“I want the public to (...)