Rescuers clad in protective outfits carry a 'victim' poisoned by chlorine gas leak with a stretcher during a "Zhongshan-2007" anti-chlorine gas leak emergency drill in Lianyungang, east China's Jiangsu Province April 15. More than 200 personnel from public security bureaus, firefighting departments, armed police bureaus and environmental protection agencies take part in the drill.

Medical staff give first aid to a 'victim' poisoned by chlorine gas leak with a stretcher.

Rescuers clad in protective outfits rush to search the source of a chlorine gas leak.

Armed police aim at terrorists during a "Zhongshan-2007" anti-chlorine gas leak emergency drill.

(China Daily April 17, 2007)