David Cameron and Barack Obama
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Syria conflict: Cameron and Obama pledge to boost opposition

The US and the UK say they will work to strengthen the moderate opposition in Syria and create a transitional body to replace President Bashar al-Assad.

British Prime Minister David Cameron, in Washington for talks, said there was an "urgent window of opportunity before the worst fears are realised" in Syria.

Addressing reporters at a news conference, both Mr Cameron and US President Barack Obama also faced questions on domestic issues.

Jonny Dymond reports from Washington.

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