Having experience of a young child with breathing difficulties who had to have a tracheotomy, I would like to offer the following thoughts.

BBC: Baby dilemma: Whose decision should it be?

Damascus says rebel forces used chemical weapons, but rebel commanders have accused government forces of carrying out the attack, citing reports of victims suffering breathing difficulties and bluish skin.

BBC: Syria conflict: UK concerns over chemical weapon use

Recent cold weather had brought about more cases involving breathing difficulties and chest pains and WMAS is expecting cold and flu symptoms to have an effect on calls over the coming months.

BBC: Ambulance call-outs on increase in West Midlands