Smoke fills the sky over Tripoli after fighting between rival militias. Photograph: EPA/STR

Libya lurched closer to fragmentation and civil war at the weekend after Islamist-led militias seized the airport in the capital, proclaimed their own(...)

An Islamic State militant uses announces to residents of Taqba city that Tabqa air base has fallen to his group. Photograph: Reuters

Senior Republicans yesterday called for expanded air strikes against Islamic State militants in Iraq and for the first time in Syria, to destroy th(...)

Professor Stephen Shay: said Obama could invoke a 1969 tax law that would restrict foreign companies using inter-company loans and interest deductions to reduce their tax bills. Photographer: Andrew Harrer/Bloomberg

Talk to any Irish lawyer facilitating these so-called corporate tax inversion deals – involving US multinationals shifting their tax address to Irelan(...)

President of Spanish wifi company Gowex, Jenaro Garcia, who announced on Twitter last week that the company’s accounts had been falsified for more than four years. Photograph: Angel Diaz/EPA

To many, attempting to profit from stock market falls is immoral and parasitic. Short sellers, however, see themselves as the detectives of the stock (...)

More than 70 US companies have shifted their tax domiciles to foreign addresses since 1983, mostly relocated their headquarters to Ireland, the UK, the Netherlands and Switzerland. Photograph: Reuters

The attraction of Ireland’s low-cost tax regime to American multinationals has again come under the spotlight in the US Congress after a new report fo(...)

A 16-year-old in the US has pulled together data to create a free web browser plugin that shows financial contribution figures for each member of the(...)

A sign outside the car park in Rosslyn, Arlington, Virginia, where journalistic source Deep Throat met Washington Post reporter Bob Woodward six times between October 1972 and November 1973.

The din of passing traffic spills down an air vent from the street above, while water drips in a corner. Every sound, from the footsteps of a perso(...)

Bob Goodlatte: his state is home to the world’s second largest tobacco company Philip Morris

A US congressman has written again to the Irish Ambassador in Washington urging the Government to scrap plans to introduce plain packaging on cigaret(...)

Senator Thad Cochran celebrates with supporters at a victory party in Jackson, Mississippi. Photograph: Edmund D Fountain/The New York Times

The latest win by the US Republican Party mainstream over the insurgent conservative wing – a narrow victory by veteran Mississippi senator Thad Co(...)

Kevin McCarthy (49) has been promoted to the role of majority leader in the lower chamber of the US Congress. Photograph: Jim Lo Scalzo/EPA

The third most senior Republican in the House of Representatives Kevin McCarthy has been promoted to the role of majority leader in the lower chamber(...)