The Foreign Secretary said the unanimous UN Security Council resolution was about "ensuring" that the horrors of the Assad regime's chemical attacks never happened again.
He claimed the focus was now on "the everyday horrors of the dire humanitarian situation" in Syria ahead of a new round of diplomatic discussions regarding Syria in Geneva in mid-November.
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Almost 20,000 hand-made shrouded figures have been laid out to mark the 100th anniversary of the Battle of the Somme.
Jeremy Corbyn has come under fire in a fresh row over Israel after he appeared to compare the Israeli state to jihadi terrorists.
Thousands of soldiers who died in the Battle of the Somme will be remembered today at commemoration events across the UK and France.