UK Prime Minister David Cameron has said Syria's President must go, but admits he could be part of a transitional government.
It's a softening of the UK's stance in relation to President Bashar al-Assad and the role he should play in the country's future.
He also said Syria needs to be free of both the Islamic State and Assad, and he would work to convince Syrian allies like Russia that is the only way forward.
Speaking to CBS, Mr Cameron said long-term Assad must go.
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Russian President Vladimir Putin wants Assad to remain in power. Speaking on CBS, Mr Cameron said Western countries must change his mind.
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Speaking to CBS' Charlie Rose, Mr Cameron said forging a deal with Assad to fight the Islamic State or ISIL was not the route to go.
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