President Barack Obama

US President says 'big countries can't just stomp on little countries' as new sanctions threatened

Allied leaders have gathered in Wales for the 2014 Nato summit, with strategies for dealing with Russia and the Islamic State high on the agenda.

US officials confirm Islamic State video showing execution of American journalist is authentic.

One tweet reads: "Obama does have a strategy for ISIS, it involves distracting them with his suit."

John Foley said he is proud of his son, who he described as 'a martyr to freedom.'

Many expect the US to mount huge offensive, but the response will be more limited and calculated.

IBTimes entertainment reporter Toyin Owoseje rounds up the showbiz stories of the week.

Yazidi MP says 70,000 to 80,000 people are still stranded on the mountain

Renewed strikes target Islamists' armoured vehicles as Obama vows America's long-term commitment.

Ukraine crisis also bites down on markets as Russia imposes sanctions on Western exports.

CDC says there are virtually no doses available of experimental drug Ebola drug.

1,650 Palestinians, 65 Israelis dead since beginning of Operation Protective Edge

Obama says US companies operating from tax havens were 'gaming the system'.

Tencent video poking fun at North Korean leader goes viral.

Russian foreign ministry says EU is bowing to US pressure over fresh sanctions.

EIB and EBRD asked to halt financing to new projects in support of ongoing insurgency in eastern Ukraine.

A report suggests former White House press secretary could be in line to become Apple's new PR chief

Berlin Police investigates Ministry of Defence employee on alleged suspicion of spying for US.

EU to announce targets on Wednesday as Obama and Hollande say Russia must stop destabilising Ukraine.

Israel launches 'Operation Protective Edge' while Hamas threatens to hit Tel Aviv with full force.

German Federal prosecutors say they arrested man suspected of spying for foreign intelligence service

The story was posted on satire website National Report.

Mr Maliki could well insist that he should be replaced by another member of his State of the Law bloc and thereby remain as the real power behind the scenes.

Brent was at a premium of $7.83 to WTI crude.

In an interview Obama said that overcoming the militant group will be a global challenge.

US President says American troops will not be returning to combat in Iraq

The White House is poised to announce new measures against Uganda.

White House weighs up impact of air attacks on jihadists in Iraq.

Sources say Democrat politicians are backing him to run for Governor of California - and even the White House.

IBTimes UK looks at the different options available to US President as Iraq crisis deepens.