Barack Obama

US president and Turkish prime minister insist Assad's regime should pave way for transitional government.

BP says the escalating compensation costs are putting the company financials into jeopardy.

Daniel Stewart & Co’s chief economist Alastair Winter previews the week ahead for markets, politics and economics

North Korea accuses South Korea of planning to 'invade' the country.

Cameron to urge Russia to find a political solution in Syria as Britain steps up efforts to lift EU arms embargo.

Top Chinese bank scraps all financial deals with North Korea's Foreign Trade Bank

Battlefield and Medal of Honor creator EA will no longer pay gun makers to depict their weapons in computer games

Damascus rocked by huge explosions as Israeli warplanes strike targets including Jamraya research facility.

Former V-P candidate praises delegates at US gun lobby convention, saying "you don't retreat"

US president insists use of chemical weapons in Syria will be 'game changer' but says Washington's response would not be rushed.

Former chief prosecutor Col Morris Davis launches initiative to shut down US military prison on Cuba as hunger strike continues.

US president revisits earlier closure promise and says he does not want detainees to die on hunger strike.

Supporters of Castro regime stage demonstration against dissident blogger in Italy.

Iranian leader promises an 'epic' despite Western sanctions.

Digital innovator explains how his geek tricks helped re-elect Obama.

Former French president Nicolas Sarkozy was one of the most generous donors to US presidential family in 2011

While US and British governments had earlier said Assad regime may have used nerve gas sarin, Obama in no hurry to intervene in Syria.

UK Prime Minister echoes Barack Obama and says use of chemical weapons is "a red line for us to do more."

Senior Obama figure cites intelligence sources that government soldiers used sarin nerve gas on rebels.

Pro-Assad forces hacked AP newswire Twitter account to say President Obama had been injured.

Fake tweet claimed President Obama injured in bomb blasts at White House, raising fresh concerns over Twitter security.

Lethal nerve agent used by Assad's troops against rebels.

As Dzhokhar Tsarnaev lies critical in hospital, initial reports indicate the suspect does not have a terrorist link.

Parents say sons Dzhokhar and Tamerlan Tsarnaev were set up by the FBI, which has admitted interviewing the elder brother in 2011.

Families deserve answers says president, after capture of second suspect Dzhokhar Tsarnaev.

Dzhokhar Tsarnaev and Tamerlan Tsarnaev have Chechen connections, but are they relevant to the bombing?

Dzhokhar Tsarnaev, teenage suspect in Boston marathon bombings, was hiding in a boat parked in a homeowner's backyard in Watertown.

The US House of Representatives has passed the controversial CISPA bill, though it now faces opposition from President Obama and the Senate

Kate Middleton named in Time magazine's 100 Most Influential People in the World list

Two suspects wearing baseball caps were caught on CCTV camera minutes before blasts at finish line of Boston marathon.