18:05World Have Your SayWHYS 60: What are chemical weapons?BBC World Service Duration: 55 minutes Tue 24th Jul 2012, 18:05 on BBC World Service OnlineAvailable for over a yearListen nowAt 1700GMT on WHYS we're talking to a panel of experts about chemical warfare.GenresNewsFormatsDiscussion & TalkBrandWorld Have Your Say Source: BBC Online
