The FBI has requested an expansion of their ability to hack into suspects’ computers. Stock photograph: Joe Raedle/Getty Images

The US Congress has seven months to block a potentially massive expansion of the government’s ability to hack into suspects’ computers. At the FBI’s(...)

End of strike revived bearish mood brought on by failure of major producers to agree to freeze output

Crude futures fell on Wednesday after Kuwaiti oil workers ended a three-day strike that had cut the nation’s crude output by around half, with worries(...)

 New York could also inject a new momentum behind the leader in the Republican race, businessman Donald Trump, in his bid to be the party’s nominee. He has 744 delegates to 559 for Texas senator Ted Cruz. Photograph: Christopher Lee/The New York Times

The second-biggest prize in the Democratic presidential election – and the fourth-biggest in the Republican race – will be up for grabs when primary v(...)

A Sunni Muslim who had fled the Islamic State’s strongholds arrives at a refugee centre in Makhmour, south of Mosul, this week. Photograph: Azad Lashkari/Reuters

A US marine who was part of the coalition fighting Islamic State, also known as Isis, was killed in a rocket attack by the militant group in northern (...)

Republican presidential candidate hopefuls Donald Trump and Ted Cruz  greet each following a debate sponsored by on March 3rd, 2016 in Detroit, Michigan. Photograph: Chip Somodevilla/Getty Images

Republican presidential hopeful Ted Cruz split victories in four nominating contests with front-runner Donald Trump on Saturday, bolstering Mr Cruz’s (...)

Republican presidential candidate Donald Trump said: “I am a unifer. I know people are gonna find that a little bit hard to believe.” Photograph: Andrew Harnik/AP Photo

Hillary Clinton and Donald Trump set their sights firmly on the US presidential election in November as they tightened their grips on their party nomi(...)

Republican presidential candidate Donald Trump speaking on “Super Tuesday”  night in Palm Beach, Florida. Photograph: AP Photo/Andrew Harnik

Former Republican presidential nominee Mitt Romney will deliver a speech today laying out his case against Donald Trump, despite the billionaire’s sw(...)

Massachusetts told the story of Super-Tuesday. Victories by Hillary Clinton and Donald Trump: she, on natural Bernie Sanders turf, albeit by a tight m(...)

Donald Trump exits the stage after speaking during a Super Tuesday night event in Palm Beach, Florida. Photograph: Luke Sharrett/Bloomberg

The biggest day of the US presidential battle led to the victories for Donald Trump and Hillary Clinton but four state wins for Bernie Sanders, three (...)

Republican US presidential candidate Donald Trump (L)  and Democratic US presidential candidate Hillary Clinton (R) rolled up a series of wins on Tuesday. Photograh: Scott Audette/ Javier Galeano/Reuters

Donald Trump and Hillary Clinton scored major wins on the biggest night of the US presidential election so far, extending their leads in the races to (...)