Barack Obama

President tells National Defence University in Washington that al-Qaida terrorism remains a potential threat.

US President to announce moves to restrict strikes and make their use more transparent.

Following attacks on the accounts of The Financial Times and the Associated Press, Twitter introduces two-factor authentication.

Officials near certain there are no more survivors or bodies of victims under the rubble.

Economic good news helps American president beat scandals to see ratings grow or remain steady.

Barbara Garcia had thought her dog was dead before being reunited with the pet live on CBS.

Oklahoma suburbs bear brunt of twister which kills 91, including 20 children.

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

Experts claim report by Organisation of American States is first to consider drug decriminalisation as serious option.

Woman at centre of scandal says former Italian leader gave her envelopes of cash, but denies they had sex.

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.