- 13 updates
The paper claims they were fired from the Damascus area at targets in north Syria.
The Daily Telegraph reports that at least six have been fired and that the first was launched on Monday.
There are reports of casualties after a car bomb hit the main gate of the Syrian interior ministry in Damascus.
Syrian TV are reporting that an explosion in Damascus has hit the main gate of the Syrian Interior Ministry.
A resident has said she heard sirens and shooting after a "huge explosion".
A Syrian opposition leader has warned that he will hold the international community - and in particular Russia - responsible if President Assad uses chemical weapons.
He was speaking at a meeting of the Friends of Syria in Marrakech, Morocco.
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.
Foreign Secretary William Hague has been tweeting his observations on the first session of the Friends of Syria meeting, which is taking place in Marrakech, Morocco.
Russia's President Putin has said that foreign meddling in Syria's internal affairs in unacceptable.
France is ready to arm the Syria opposition and will monitor the situation on the coming months, French representatives have said at the Friends of Syria meeting in Marrakech.
A draft declaration by members of the Friends of Syria group has recognised the Syrian opposition coalition as the legitimate representative of the Syrian people.
It also warns that any use of chemical or biological weapons by the Syrian military will result in a "serious response".
The Friends of Syria are meeting in Marrakech, Morocco to discuss the ongoing conflict in Syria.
Latest ITV News reports
Syria's President Assad was this evening reported to be using a new weapon in the war on his own people.