Barack Obama

Iranian president Hassan Rohani speaks to Vladimir Putin to oppose US and Britain intervention against Damascus.

Market participants to track speeches by US Federal Reserve presidents against backdrop of Syria uncertainty.

US benchmark crude oil prices hit $110 a barrel on Syrian supply fears while traders remain on headline watch.

First US black president addresses crowd from Lincoln Memorial to mark 50th anniversary of March on Washington.

The New York Times, Huffington Post UK and Twitter all attacked by Syrian Electronic Army by targeting their domain registrar.

US vice-president Joe Biden says Washington in no doubt that chemical weapons were launched by Assad's regime against Ghouta.

US airstrikes in Syria could begin within days after hawkish words from leaders.

US defence secretary Chuck Hagel tells BBC US military ready to go as markets rush to sell off stocks.

Chemical weapons 'threat to US national security' White House spokesman Jay Carney says.

Republican Bob Woodson says black people at back of the bus behind gays, immigrants, women and environmentalists.

In first part of special series on cyber warfare, IBTimes UK investigates the state of government-sponsored surveillance.

Obama prepares declassified report to justify attack on Syria while military buildup reported at UK airbase in Cyprus.

Bashar al-Assad demands evidence of nerve gas attack and warns US against military strike

Cameron and Obama discuss Syria strikes as UN inspectors on way to Ghouta chemical attack site.

The move comes after US and Britain pledge 'serious response' if Syrian army found responsible.

Medical organisation says it treated 3,600 people for 'neurotoxic symptoms'.

Extra warship deployed as Syrian government claims to have found chemical weapons traces in rebel tunnels.

Top US officials to convene in White House to discuss military intervention in Syria following deadly gas attack.

William Hague joins Russian counterpart in urging access for chemical weapons inspectors in Ghouta.

Reports suggest rebel troops trained by US, Israel and Jordan advancing on the capital.

WikiLeaks founder praises US soldier's legal team for 'significant tactical victory'.

Amnesty International urges US President Barack Obama to release convicted soldier.

Angela Merkel visits the former Nazi concentration camp of Dachau outside Munich.

Kseniya Ryzhova and Tatyana Firova shared a kiss on the winners' podium after helping Russia win gold in the women's 4x400m at the world athletics championships in Moscow.

Supporters of ousted president Mohamed Morsi promise massive show of strength as Egyptian security personnel given power to open fire in self-defence.

Good samaritan in Cairo gunned down trying to carry injured protester to safety.

US president takes first concrete steps against Egyptian regime as Morsi protest death toll soars past 500.

Official portrait of 23-day-old George, born on 22 July, is slated to be released on Twitter by Kensington Palace next week.

Chanel's head designer offered fashion tips despite his acknowledgment that Merkel "doesn't want advice".

A protest against the treatment of LGBT people in Russia has been held in London near Downing Street.