主播大秀

As Russia says there's evidence that Syrian rebels used chemical weapons, experts in the field answer your questions about the production and use of the armaments. Plus, with the multi-million dollar development and release of one of the world's biggest-selling video games, we discuss if they should be treated with more respect by the arts and entertainment world.

Photo: American troops based in South Korea carry out a drill to prepare for a potential chemical weapons attack. Picture: Associated Press.