Speaking from Moscow UN-Arab envoy Lakhdar Brahimi has said that he regrets that the ceasefire has not been fully complied with and he is pressing on with peace efforts.
He added that the UN has np plans to send in peacekeepers to Syria for now.
Syrian state television has reported that 10 people were killed by a 'terrorist' car bomb in Damascus.
More top news
"My sincerest apologies to everyone who purchased tickets and were planning to come to the upcoming shows."
His comments at the Defence and Security Forum on Monday came after a £20 billion black hole in the budget for the next decade emerged.
The Foreign Secretary said he thinks the health service should be "at the very top of the list" for a windfall after the UK leaves the EU.