 | Chinese firefighters prepare to check gas lines after a gas leak warning. Nine people were dead or missing and 150,000 were evacuated as tanks containing chlorine gas exploded at a factory in southwest China click to open  |
 | Police officers guard the Tianyuan Chemical Industry plant after a chlorine gas leak in southwest China's Chongqing Municipality April 17, 2004. Explosions at the chemical plant in southwestern China killed at least seven people and forced the evacuation of 150,000 city residents, state media said on Saturday. click to open  |
 | The site of explosions which caused a chlorine gas leak at the Tianyuan Chemical Industry Plant in southwest China's Chongqing Municipality April 16, 2004. Explosions at the chemical plant in southwestern China killed at least seven people and forced the evacuation of 150,000 city residents, state media said on Saturday. click to open  |
 | Firefighters rush to control a chlorine gas leak at the Tianyuan Chemical Industry Plant in southwest China's Chongqing municipality April 16, 2004. Explosions at the chemical plant in southwestern China killed at least seven people and forced the evacuation of 150,000 city residents, state media said on Saturday. click to open  |
 | Residents are evacuated after a chlorine gas leak at the Tianyuan Chemical Industry Plant in southwest China's Chongqing municipality April 16, 2004. Explosions at the chemical plant in southwestern China killed at least seven people and forced the evacuation of 150,000 city residents, state media said on Saturday. click to open  |
 | Firefighters hose the factory spewing toxic gas in southwest China's Chongqing. They worked overnight and appeared to have the situation under control after 150,000 people were evacuated, officials said. Nine people were listed as dead or missing click to open  |
 | Workers repair damage at the Tianyuan Chemical Industry plant following explosions which caused chlorine gas leak in southwest China's Chongqing Municipality April 17, 2004. Explosions at the chemical plant killed up to nine people and forced the evacuation of 150,000 city residents, state media said on Saturday click to open  |
 | Chongqing Chlorine Leak Incident: Rescuers carry a victim of a chlorine gas leak at the Tianyuan Chemical Industry Plant in southwest China's Chongqing municipality April 16, 2004. Explosions at the chemical plant in southwestern China killed at least seven people and forced the evacuation of 150,000 city residents, state media said on Saturday click to open  |