U.N. Secretary-General Ban Ki-moon and the director general of the independent Organization for the Prohibition of Chemical Weapons (OPCW) said they were deeply concerned about the alleged used of chemical weapons in Syria.
Ban's office said in a statement:
The Secretary-General remains convinced that the use of chemical weapons by any party under any circumstances would constitute an outrageous crime.
The OPCW is a Hague-based body charged with overseeing the implementation of the Chemical Weapons Convention.
More top news
By Sunday it should become drier with spells of winter sunshine but temperatures will still remain on the cool side.
There was no White Christmas but here's a look at the best Boxing Day snow scenes.
Actor Dustin Diamond allegedly stabbed a man in a bar in the US after getting into an argument on Christmas Day.