The Foreign Secretary William Hague has warned that the UK does not rule out any options if it in the interests of saving Syrian lives.
He said that Syrian president Bashar al Assad should not doubt Britain's resolve to react if he decides to use chemical weapons.
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A split set up this Sunday
Four Britons are dead after a serious crash in Al Khalas, a settlement roughly 30 miles north of the holy site of Mecca.
So-called Islamic State said they were behind the attack that targeted people receiving their national identification cards.