Your questions on chemical warfare answered?

Almost a week ago, images of victims of a possible chemical attack went viral. Media outlets across the world published the horrific images of dead children in Syrian capital Damascus.

Now, a team of UN weapons inspectors are at the site to determine what happened. If the inspectors conclude that the Syrian regime launched a chemical attack on its own people, then outside intervention in the conflict will become more likely.

Military analyst and former army officer Tom Clonan, who has served in the Middle East and the former Yugoslavia, explains the planning behind chemical attacks, how they are carried out, and what symptoms the victims would have gone through.