Even if Russia's proposal of locking down Syria's chemical weapons receives international assent, experts believe it could still take years to realise.
Destroying chemical weapons is a hugely hazardous task that cannot be rushed, and according to US intelligence there are some 1,000 tonnes worth across some 41 sites in Syria.
ITV News' Diplomatic Correspondent John Ray reports on the challenges involved:
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Prime Minister insists the UK will maintain a strong relationship with Europe especially on trade and security, even after it leaves the EU.
Cloudy, with outbreaks of rain spreading northeast across the UK, however northern Scotland remaining largely dry until later.
The five-year-old was bitten on the face and had to undergo surgery to her eyelid after the dog attacked her at an event in West Yorkshire.